Can someone help me with this question. put Into standard form.

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

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

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip