The solid shown is constructed from a cylinder and two hemispheres with dimensions as shown. Find the volume of the solid to the nearest cubic unit. Use for R=8 of hemishpere and cyllinder
h=16 for cyllinder

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?