Prestel currently makes $11.50 per hour. His boss has promised him a 15% raise in his hourly earnings. Calculate 15% of $11.50. Why can't Prestel get exactly a 15% raise

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