Please solve the question below

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

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

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?