Help me with this one

m∠BOC=3x+30

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

Write an equation for the function that includes the points (2,100)and (3,100)

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.