The students want to find a cooler that keeps the temperature inside the cooler more than 3 degrees below the freezing point of water (0ᵒC) after 90 minutes. Indicate which of the tested coolers meets this goal, and explain why.

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

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 =

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?