Given A=[-1 -2 3 4 8 -6 0 1 5] and B=[-5 -1 6 4 1 2 0 -3 2] . What is X if B-X=A ?

This is different from the first one can someone me

Which of the following expressions is equal to 2x^2+8

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in