Plz I need help with this how would I go about solving this I really need the answer today thank you will give brainlest

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

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.