Wayne mowed lawns for 4 hours and earned $6.20 per hour. Then he washed windows
for 3 hours and earned $5.50 per hour. What were Wayne's average earnings per hour
for all 7 hours?

Pls super important solve the botton one

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

Evaluate the expression. (9 + 5)(3 + 2)0