Solve the problem.Find the perimeter of a rectangular farm measuring 5 mi by 9 mi.

Solve the problem.Find the perimeter of a rectangular farm measuring 3 mi by 8 mi.

Multiply.-2 ∙ (-6) ∙ 7 ∙ (-19)

Add. -69 + (-76)

Simplify.220 ÷ 11 – (4 + 2)

Find the following.Find -x when x is -98.

Subtract.18 – (-7)

Subtract.0 – 23

Add. -14 + 0

Subtract.-13 – 9