find the average rate of change of f(x)=x−2√x on the interval [1,9].

Answer these questions showing your work plz

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21