Help me with this please

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

What is the range of the data below? .8090100

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is