Z00m regarding COMPARISION OF US AND INDIAN MATH AND LETS SEE WHICH IS MORE TUFF 10TH GRADE PLUS ONLY

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Can (3,5 and square root 34) be sides on a right triangle?

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 =

Can someone me out here number 4 plz