90% on a test. If he answered 135 questions correctly, how many questions were on the test?

A=1/2bh, solve for b

If a recipe for cookies calls for 3/4 of a cup of sugar, and you want to quadruple the recipe, how many cups of sugar will you need?

A checkerboard has 64 squares. How many squares are in each row

The vertices of a right triangle are (6, 2), (-2, - 4), and (-2, y). What is the value of y? A. -4 B. -2 C. 2 D. 4

Nine hundred and eighty million scientific notation

In circle T, A. 3 B. 4 C. 6 D. 7

What is the value of x when the Richter scale rating is 3.8?

There are six marbles in a bag, three are green and Three are yellow. If you draw marble, replace it, and then draw another what is the probability of choosing two yellow marbles

Simplify the following questions: 7f-5 (4f+9)

What is 5x + 22 - 6x - 23 it is from algebra