G= -7 and h = 3 what is the answer for g+h=

The circumference of a circle is 5 pi cm. what is the area of the circle?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?