A ball is launched from ground level directly upward at 39.2 m/s. The height can be modeled by the function f(t)=-4.9t^2+39.2t. For how long Is the ball at or above a height of 34.3 meters

t hope this

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use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative

step-by-step explanation:

"exterior angles = 360 / number of sides.

60 = 360 / sides

sides = 360 / 60

sides = 6"