If PQR ~ VST with a scale factor of 2:5, find the value of x.
i need the answer asap! please!

What is the value of x in the following equation. -x ^3/2 = -27

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

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.