Find the range of the data set: 10, 18, 21, 28, 12, 20.

And employee salary increased by $4500 which represents a 15% raise what is the rate of the increase

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

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