Find the correct plugged in formula for each figure.

Jamal has 30 ounces of a 20% saline solution. This means 20% of the solution is salt. He combines this solution with 25 ounces of a
30% saline solution
What is the total amount, in ounces, of salt in the combined moxture?

(07.01)
Which of the following sets shows all the numbers from the set {1, 2, 3, 4} that are part of the solution to the inequality 7x + 6 > 20? (4 points)

Question 1 options:

1)

{1, 2, 3}

2)

{2, 3, 4}

3)

{3, 4}

4)

{4}

HELP
use the net to solve

i keep getting 479.864 and im not sure what im doing wrong

Mary's dog was placed on a strict diet by her veterinarian. The veterinarian told Mary that Emma would need to loose one-half of pound per month. Write an equation that relates Emma's weight in pounds (p) to the number of months (m) that she is dieting, given that Emma currently weighs 38 pounds.

1. What is the beginning weight or b or the y-intercept?

2. What is the rate of change or slope or m?

3. Replace those two values in slope-intercept form y=mx+ b

Angela's favorite store is having a 20% off
sale on the entire store. If Angela buys a
sweater that is normally $32, how much wil
she pay for the sweater during the sale?

What's the constant of proportionality?

Which of the following is an equation of the line through (3, -1) and (−2, 14)?

A) y = 1/3x - 2

B) y = -1/3x

C) y = 3x - 10

D) y = -3x + 8

please explain your answer so I can understand

Please answer both of these

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Challenge level easy


Translate the phrase into an algebraic expression.
The product of 5 and x


I challenge u guys to answer this if u want harder ones I will be posting them in a little

HEYOO PEEPS Should doctors be allowed to dress casually while at work? Why or why not? What is your opinion?

There are a box of donuts in the teachers lounge. There are 12 glazed donuts and 10 unglazed. There are also coffee k-cups for the Keurig. 6 are pumpkin flavored and 4 are French vanilla. Assuming Mrs. Bruza chooses her donut and coffee blindly, what is the probability that she chooses her favorites (glazed donut and pumpkin coffee)?

Write a story to match the equation x+212=10.
Explain what x represents in your story.
Solve the equation. Explain or show your reasoning.

Angles E and F are vertical angles. If angle E has a measure of (4x+2)∘, and angle F has a measure of 70∘, what is the value of x?

to evaluate the integrity of underground water lines, the department of public works randomly selects 20 sites in the city to unearth and observe the water lines. At 5 of the sites, the water lines needed repair. The department of public works concludes that about one-fourth of underground water lines throughout the city need repair.

A) The regular price of a sweater is $42.99. It is on sale for $34.39. Find the percent of change to find what percent you will save on the sweater. Round to the nearest percent.
B) How many years will it take for $3,241 to earn $680.61 in interest at a simple interest rate of 7%?
C) Stephanie paid $9.18 for a pair of earrings. This amount includes a tax of 8%. What was the cost of the item before tax?
D) A sales person set a goal to earn $2,000 in May. He receives a base salary of $500 per month as well as a 10% commission for all sales in that month. How much merchandise will he have to sell to meet his goal?
E) ERROR ANALYSIS Describe and correct the error in finding the simple interest earned on $500 at 6% for 18 months.
I=500(0.06)(18)
I = 540
F) BANKING A savings account earns 5% annual simple interest. The principal is $1200. What is the balance after 4 years?
G) Clyde Clumsy was directed to weigh a 500g mass on a balance. After diligently goofing off for 10 minutes he quickly weighed an object and reported 458g. Find the percent error.
H) Jamal needs to purchase a counter top for his kitchen. Jamal measured the counter top as 5 ft. The actual measurement is 4.5 ft. What is Jamal's percent of error? Round to the nearest percent.
I) After eating at a restaurant, Mr. Jackson's bill before tax is $52.50. The sales tax rate is 8%. Mr. Jackson decides to leave a 20% tip for the waiter. How much will the total bill be, including tax and tip?
J) A shirt is on sale for 40% off. The sale price is $12. What was the original price? What was the amount of the discount?
Please help!

can you help me plssssss

A scale drawing of a triangular sign has a scale factor of 1:8. Which statements are true?


The ratio of the area of the scale drawing to the area of the sign is 1:8.

The ratio of the area of the scale drawing to the area of the sign is 1:16.

The ratio of the perimeter of the scale drawing to the perimeter of the sign is 1:8.

The ratio of the area of the scale drawing to the area of the sign is equal to the square of the scale factor.

Did I pick the letters correctly and what do the correct ones equal if they are not correct

......................answer

Bonny sketched a scale drawing of her classroom using the scale 1 inch : 4 feet. The drawing is 10 inches long and 8 inches wide. What is the area of the classroom in square feet?

I need help on these questions.

A supplier sells 2 1/4 pound of mulch for every 3/4 pounds of gravel. What is the unit rate in lbs mulch per lbs gravel?

Pls i need help its due in 30 minutes pls

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Please help me i really need help the first 2 pics go together

Could someone please help me with this? I will give brainiest please.