What is the selling price for a $45 pair of shoes with a 15% markup

Which expression is equivalent to sq-80

The table represents a linear function. what is the slope of the function? –6 –4 4 6

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =