It costs $35 per hour to rent a boat at the lake. you also need to pay a $25 fee for safety equipment. you have $200 . for how long can you rent the boat?

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.