Can someone solve this one too please?

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2