Pl help It’s for a grade I’ll give you Brinley if right

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Can someone tell me if this is perpendicular? !