Estimate 39 x 52 divided by 3.8 x 4.9

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

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

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?