PLS HELP ME WITH BOTH QUESTIONS I WILL GIVE BRAINLIST AND 5 STARS AND A THANK YOU PLS ANSWER FAST

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )