How far will a bus travel if it averages a sped of 65 km/h for 7 hours?

Can any one me with the answers to these questions asap?

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

Which expression is equivalent to 3^3 + 2^2?