Is my answer choice wrong or right?

Which of the following can be used to explain a statement in a geometric proof?

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.

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile