Solve for x please ill give brainlist

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)