If an average-sized man with a parachute jumps from an airplane, he will fall 12.5(0.2t-1) +21t feet in t seconds. How long will it take him to fall 148 feet? (Round your answer to two decimal places.)

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

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