Do you have to take statistics in college

Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)

Blank × 10-3 is 2,000 times greater than 1.9 × 10-6. it is also blank times greater than 9.5 × 10-4.

If g(x) = x+1/ x-2 and h (x) =4 - x , what is the value of ( g*h) (-3)?