Find the volume of a cube where the length of each side is 6 centimeters.

Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Having a hard time understanding this question (see attachment).