joe correctly answered 70% of the questions on a test. there were 50 questions. how many questions did joe answer correctly?

3x-2y=6 whats the slope, x-int and y-int

You spend half of your allowance on Monday. On Tuesday, you spend half of what is left. Then on Wednesday, you spend half of what remains. What fraction of your allowance do you have left?

Percy solved the equation x2 + 7x + 12 = 12. His work is shown below. Is Percy correct? Explain. 1. (x + 3) (x + 4) = 12 2. x + 3 = 12 or x + 4 = 12 3. x = 9 or x = 8

Jennie had $300. Then she spent $15 on a new shirt. What percent of the money does Jennie have left

T is making a case for a calculator it is a rectangular prism that will be 3.5 inches long by 1 inch wide by 10 inch high how much material will she need to find the surface area

What is the formula to find the area of parallelogram

How do you solve an equation by the square root property? Ex: 7x^2=42

The Watson family just bought 7 crates of eggs, and each crate had 12 eggs. The family already had 8 eggs in their refrigerator. How many eggs do they have

3x + 16 = - 2 (5 - 3x)

one number is four more than a second number. two times the first number is 10 more than four times the second number