Need with this question simplify - (-76)=

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?