How many terms are in the expression shown?

2n + 5 – 3p + 4q

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min