Find the 5th term of (x+3)^8

If the measure of xyz is 81 what is the measure of yz

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

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