The area of a square is 100 square miles. The length of a side of a square is given by the expression square root of A where A is a squares area. Use this expression to find the length of a side of the square.

Step-by-step explanation:

The length of the square side is:

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation:

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.