Aline has a slope 5/6 and y- intercept-3.
which answer is the equation of the line?
a: y=5/6x+3
b: y=-3x+5/6
c: y=5/6x-3
d: y=3x+5/6

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 =