What is 123.768 x 764.892

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

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 =