10) Two supplementary angles have measures of 3x - 20 and 5x. Find x. 11) Find the perimeter of a rectangle with side lengths of 14 inches and 18 inches.
12) Find the area of a circle with a radius of 22 feet. Use 3.14 for pi.

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10) Two supplementary angles have measures of 3x - 20 and 5x. Find x. 11) Find the perimeter of a rectangle with side lengths of 14 inches and 18 inches. 12) Find the area of a circle with a radius of 22 feet. Use 3.14 for pi.

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10) Two supplementary angles have measures of 3x - 20 and 5x. Find x. 11) Find the perimeter of a rectangle with side lengths of 14 inches and 18 inches.
12) Find the area of a circle with a radius of 22 feet. Use 3.14 for pi.