Problem 9. [10 pts) A 12 feet diameter circular shaped stage floor requires 3 liters of paint, how much paint is needed for a 17 feet circular shaped stage floor? Round your answer to the nearest tenth.

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle