It costs $14.50 to rent a canoe and $6 to use the canoe for an hour. you have $32.50. write an equation that represents the number h of hours you can rent the canoe.

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.