Use compatible numbers to estimate the quotient. 7130/86

Combine like terms7y^2 + 7(6y^2 − 8)

What is the perimeter of square abcd? units units 28 units 37 units

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 =