Moving comoany a charges $45 on arrival and $25 an hour. the final bill was $470. how many hours did the movers work ?

In trapezoid bath, ah=19.7 and et=16.1. identify be.

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 =

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?