Find the amount of the sale if the salesperson had an earnings of $40,000 and their commission was 20%? (don't forget your units!)

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.

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?