The population of Asia is approximately 4.5 x 10^9. If the population of Earth is about double that of Asia, what is the approximate population of Earth?

Solve the equation for x. ax+bx=c

You invest $7200 in two accounts paying 6% and 9% annual interest. at the end of the year, the accounts earn the same interest

3 people paying $108 evenly. i am doing rational numbers and i dont understand it at all

2x + 4 = - (-7x + 6)

You know that 52 % of a number, x, is 65. You also know that 26 % of a number, y, is 39. What are the values of x and y? Which number is greater? Explain how you can find whether x or y is greater without finding their values.

The height of a box is 5 inches. It's length is 5 inches more than it's width. Find the length if the volume is 120.

1/8 sum of 23 and 17

A company makes wax candles shaped like rectangular prisms. Each candle is 7cm long, 2cm wide, and 10cm tall. If they used 5740cm^3 of wax, how many candles did they make?

What is the meaning of percent? How can percent be estimated and found?

The length and width of a rectangle are in a 7:2 ratio. Find the width of the perimeter is 72.