The cost of c (in dollars) of making n watches is represented by c=15n+85. how many watches are made when the cost is $385?

What is the prime factorization of 195

Find the multiplicative inverse of 8-12i

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 =