It takes Elizabeth 15 minutes to walk 5 blocks. at that rate, how many minutes will it take her to walk 30 blocks?

9/18 : 3/6 = Worth 94pts

A 9 -foot board is cut into two pieces. If one piece is x feet long, express the other length in terms of x.

What is the translation for the expression x-5

Solve the equation: 5x^2-3x=2x^2+x

List these numbers in order from greatest to least 90,048 93, 405, 90 543

What is the correct classification of 7x^2+9x+4

The lengths of the sides of a triangle are 17, 8 and n. Which of the following must be true

Nine times a number increased by 21 is no more than twice the number

Manny and Susan have an egg carton full of eggs to use for their science project. Manny uses 1/3 of the eggs and Susan uses 1/2 of the eggs. Which fraction of the eggs did Manny and Susan use for their project?

Calculate the area and volume of the ball of radius: a) r = 4 cm; b) √3 cm