A ball is thrown from an initial height of 7 feet with an initial upward velocity of 21 ft/s. The ball's height h (in feet) after t seconds is given by the following.
h = 7+216-161
Find all values of t for which the ball's height is 13 feet.
Round your answer(s) to the nearest hundredth.
(If there is more than one answer, use the "or" button.)

for the first question it would be the second answer for the second question it would be the third answer and for the third question it would be the first answer

step-by-step explanation:

do you have an easier question cause this shh is hard like theheck

step-by-step explanation:

$320 to $405

step by step explanation:

in one day he earns between $64 and $81

therefore if he works for 5 days, he will earn between 64 x 5 to 81 x 5

= $320 to $405