30 points. what is the value of x?

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 value of x in the following equation? -3x-2=2x+8

What is not true about kl and mn? what is mn? (show )