What is the result of subtracting the second equation from the first?
8.x - 4y = -4
-3a + 4y = 5​

PLEASE HELP WITH EXPLANATION!! THANK YOU ILL GIVE BRAINLEST

In what way was youth activism during the civil rights era the same as it is
today?
O A. People used popular culture to raise awareness,
O B. People participated in protests and marches.
C. People wanted social justice.
O
D. All of the above are correct.

Help me asap with this math problem!!

In triangle ABC,the measure of angle A is 78° and the measure of angle B is 35° What is the measure of angle C

A farmer has 280 acres of land on which he plans to plant two different crops, crop A and crop B. For each acre of crop A he plants, his expenses are $25, and for each acre of crop B, his expenses are $30. The farmer has a limit of $10,000 for the expenses of planting the 280 acres. If a represents the acres of crop A and b represents the acre of crop B that the farmer plants, which of these represent the limits of a and b?

Emma goes miniature golfing. She pays $7.50 for an admission ticket and $6.25 for each round she golfs. The total amount Emma pays for admission and the number of rounds she golfs is $26.25. Which equation can be used to determine the number of rounds, x, that Emma golfs?

13d+8=-1

b=?
need answer

6th grade math help me pleasee

pleaseeeeeee help me 7th grade math

Solve by completing the square: x^2+3x-9=0

Joe painted 28 1/2 square feet in his bedroom in 1/2 an hour. How many square feet can he paint in an hour?​

y=2,y=-1/2 thats the equation but it told me to write more idk why

For which value of a will the equation 3x – 2 = 3x – a have an infinite number of solutions?
A. 2
B. 3
C. 4
D. 5

Can anyone help me on this ASAP?

Two sides of a triangle have lengths 8 and 16. Which expression describes the length of the third side?

greater than 8 and at most 24

at least 8 and at most 24

at least 8 and less than 24

greater than 8 and less than 24

Can someone help me with these pls : ( I'm confused

What is the solution to the system of equations?
(-6,-2)
(-2,-6)
(2,-4)
(-4,2)​

A mixture of paint calls for 1/3 cups of red paint and 3/4 cups of yellow paint. If there were 4 cups of red paint added to the mixture, how many cups of yellow paint would need to be added to keep a constant rate of proportionality? (Hint: You can use your answer from the first question to help you solve this!)

HELP ASAP!!


For what values of x and y are the triangles to
the right congruent by HL?

Brandon started with $25 in his savings account he adds $15 per week for a weeks write an expression to represent his account balance after w weeks

Please helppppp. Thank you

The snow is now 22 inches deep. If this was a 70% decrease, what was the initial depth?

Which situation is best represented by the following equation?

45w+123.95=753.95
A.Erica paid $753.95 for dance classes. She paid $123.95 for each week she was enrolled in the classes after using a coupon that gave her $45 off the price per week. What is w,the number of weeks Erica was enrolled in dance classes?

B.Erica paid $753.95 for dance classes. She paid a $123.95 registration fee and $45 for each week she was enrolled in the classes. What is w, the number of weeks Erica was enrolled in dance classes?

C.Erica paid $753.95 for dance classes. She paid a $45 registration fee and $123.95 for each week she was enrolled in the classes. What is w, the number of weeks Erica was enrolled in dance classes?

D.Erica and her sister paid $753.95 for dance classes. Erica paid $123.95 for each week she was enrolled in the classes, and her sister paid $45 for each week she was enrolled in the classes. What is w, the number of weeks Erica and her sister were enrolled in dance classes?

A pet store just decided to sell fish, so the
manager purchased 50 of the fish tanks shown
above to hold the fish. The staff need to fill
the bottom two inches of each tank with sand,
which comes in bags of 40 pounds. If 1 cubic
inch of sand weighs about 2 ounces, how
many bags of sand does the pet store need to
buy? (There are 16 ounces in 1 pound.)
A) 45
68
B)
C) 84
D) 125

In the Pythagorean Theorem, the sum of the squares of the legs is equal to the square of the
a. shorter leg
b. longer leg
c. sum of the angles
d. hypotenuse

Which expression is equivalent to 4h ÷ 5?

One tablet costs $249.00 and a company needs to buy k tablets. What is the relationship between the total cost, C, and the number of tablets? Determine the domain.
A. k=249C; The domain is C, the total cost of the tablets purchased.
B. k=249C; The domain is K, the number of tablets purchased.
C. C=249k; The domain is C, the total cost of tablets purchased.
D. C=249k; The domain is K, the number of tablets purchased.

Please help me with 1 and 2

What is the slope of the line that passes through the points (6, 7) and (4, 1)?

A rock is thrown from the top of a ladder. The function
h(t) = –16t2 + 120t + 10 gives the height of the rock t seconds after it is
thrown a certain number of feet.
What is the height of the rock at 5 seconds?