Help fast don’t understand

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

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.

The graph shows the amount of money noah earned based on the number of lawns he cut. which list shows the dependent quantities in the graph?