How do you know if the triangles are similar

If y is directly porportional to x, and y=84 when x=7, what is the value of x when y=156? A. 7 B. 12 C. 13 D. 22

Which expression is equivalent to square root of 200

Marissa bought 2 and a half gallons of orange juice to make punch how many quarts of orange juice did. Marissa buy

Which ordered pair is a solution of the equation? 5x-2y=18 A). Only (5,3) B). Only (4,1) C). Both (5,3) and (4,1) D). Neither

A baseball team played 20 games. they won 4 games more than they lost. how many games did they win

What is the LCM of the numbers 3, 6, and 9?

Solve the systems of equations using substitution -3x+2y=12 x=2y-8

I need to learn how to divide decimals

What is y-2=-3 (x-7) written in standard form?

Tim has 12 books and 27 magazines in his libary. He bought several books at a yard sale over the weekend. He now has 58 books in his libary. How many book did he buy at a yard sale