−2/3(12c−9)+14c
I need the answer

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)

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25