Evaluate the following: 18 + 3 16 - 251 - 11

Norma has an a-frame cabin. the back is shown below. how many square feet of paint will she need to cover the back of the cabin? explain how you found the answer.

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

The area of a rectangle is 54x^9y^8 square yards. if the length of the rectangle is 6x^3y^4 yards, which expression represents the width of the rectangle in yards