What does number sentence mean

What Is the area of a 1 inch by 1 inch square?

Charlene is wrapping the box below. How much wrapping paper will she need? 7in x 9in x 5in,?

A ball is thrown in the air from a ledge. It's height in feet is represented by f (x) = - 16 (x^2-7x-8), where x is the number of seconds since the ball has been thrown. The height of the ball is 0 feet when it hits the ground.

What is the difference in place value between the 2 in324 and the 2 in 0.324

Which of the following problems would NOT have a solution? Ten pizzas are shared equally among five people, and you want to know how much each person gets.

2x+3y=23 3x-y=7 Solve for x

Debbie ate 1/8 of a large brownie. Julian ate 1/2 of a small brownie. Julian says, "I ate more brownies than you because 1/2>1/8

Write a verbal expression for 3m-8n/13

Brian read 2/15 of his novel in 20 minutes. If he reads at the same rate, what portion of his novel can he read in one hour?

7,279.21 the 2 in the hundredth place is blank the value of the 2 in the tenth place