Help me please 20 points

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

Twice the sum of a number and 2 is equal to three times the difference of the number and 8. find the number.