The United States contains about
of the world's coal reserves.
a. 75%
b. 5%
C. 50%
d. 25%

what should be done to make our society a discrimination free society a radioactive element has a half-life of 3,000 years. if a sample of this element begins with a mass of 60 grams, how long would you have to wait for the mass to decrease to 15 grams Why have the buildings of Siena been preserved and not modernized?A.The buildings have historic value.B.Florence became a bustling city and Siena was left behind.c.The townspeople decided many centuries ago that tourism would one day bring in a great profit,e 2. Using a giant screw, a crew does 650 J of work to drill a hole into a rock.The screw does 65 J of work. What is the efficiency of the screw? Show yourwork. Hellpppp Which graph represents the function?f(x)=x+23 Write a system of linear inequalities represented by the graph.Inequality 1:Inequality 2: please helpi tried typing it but it said there was a bad word How many days in leap year?1) 3652 3663 367 list two specific ways democratic reforms changed society during the 19th century Question 11Rhonda deposits $5,600 in a savings account that pays 1.36% Interest, compounded semiannually. What is the balance after the first 9 months? A tax added to the cost of an item bought at a store is a(n).A. Credit taxB. Property taxC. Income taxD. Sales tax Who is known as Punjab Kesari THE ANSWER IS NOT BIf you cant see the picture plz zoom in.The box plots show Theo's math scores and language arts scores.About 50% of Theo's scores are in which range for each subject?60 to 85 for math: 60 to 80 for language arts55 to 90 for math: 50 to 90 for language arts55 to 60 for math: 50 to 60 for language arts85 to 90 for math 80 to 90 for language arts Making individuals work 12 or 16 hours a day for low pay without vacation or sick leave is an example of. Single choice.explorationexploitationsocialismSocial Darwinism What is 56x1Just a regular normal question from meYour welcome in advance At the World Cup, 25% of the teams are from South American countries. If there are 40 teams in the World Cup, how many are from South American countries? Construct a double number line if needed. A right triangle is labeled with the hypotenuse 12m and an acute angle 23 degree. Which of the following equations could be used to find the side length of one of the legs of the triangle.A) sin. 23=12/xB)cos =12/xc)sin 23 =x/12D) tan 23=x/12 Using the triangle in the diagram, what would be the coordinate of A' if reflected over the line x=2 ? *(0, 3)(0, -3)(4, -3)(-4, 3) Greg studied for 12 minutes. This is 40% of the time he wants to study today. How many more minutes does Greg need to study today? Quadrilateral WXYZ is dilated by a scale factor of to form quadrilateral W'X'Y'Z'. What is the measure of side ZW? Z 28 Y" 42 42 W 28