Use a property of equality to solve this equation:

4.5x = 18

x =

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122