Solve the problem.The temperature at the South pole was 7° at 8 am. At 3 pm, it was -33°. By how many degrees did the temperature drop?

Multiply by 1, 2, 3, and so on, to find ten multiples of the number.18

Evaluate.-2×2 for x = 5

Find the LCM of the expressions.24×7, 8×5

Multiply. (-7)(-8)

Solve. Clear fractions first.y – 80 = -64

Solve using the addition and multiplication principles.6 – 10y + 7 ≥ -11y + 21

Solve.x + =

Solve by using the multiplication principle to clear fractions.b – 7 = -1

Subtract.0 – 29