Help plz with 9 and 10(pic's below)

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

36 inches/second = yards/minute how many yards?

One positive number is 9 more than twice another. if their product is 95, find the numbers