The number of mini-muffins (m) Hector bakes is directly proportional to the number of cups (c) of mix that he uses. Hector uses 2.5 cups of mix to bake 45 mini-muffins.

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 mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22

Which of the following graphs could represent a quartic function?