HELP construct a truth table for each of the following compound propositions
(p--> q) V (-qV-p)

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 =

How do i put 3(x+7) in distributive property

Is the number 128.439 a rational number