Find (gof)(x) when f(x)=sqrt x+3 and g(x)= x^2+2/x

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

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?