Use an integer to express the number.The stock market gained 59 points on Monday.

Solve the problem.A football team gained 36 yards on one play, lost 33 yards on another, and gained 37 yards on the last play of the first half. They had already gained 275 yards during the half. What was the total yardage gain for the first half?

Solve .-3x = -18

Use the multiplication principle to solve the equation. ∙ t = 120

Find the following.Find -(-x) when x is -55.

Simplify.-86

Evaluate., for x = 20 and y = 30

Multiply. × -3

Simplify.(-4)3

Find the opposite, or additive inverse 9