What step was the mistake made in -4(6-y)+4=-4

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

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 =

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation