Explain what a variable is

How long before there are only 300 left

Many states use car license plates that have six characters. Some of these states use 2 letters and a number from 0001 through 9999. Others use 3 letters and a number from 001 through 999.

Whats - 3 divided by 7

The moon has a shape of what geometric solid?

First estimate, and then multiply to get the exact answer. Give your answer as a whole or mixed number. 5 and two thirds times 3 and two fifths times 5

A 1-unit by 3-unit rectangle is shown below. what is the area of the shaded rectangle?

Write the sentence as an equation. 397 is 14 divided by d

Find each missing length to the nearest tenth

Evaluate x+y when x=-45 and y=13. Write your answer as a fraction or mixed number in simplest form.

What is the solution to the systems of equations? y = 4x + 3 y = - x - 2 A. (-1, - 1) B. (1, 1) C. infinite solutions D. no solution