Aclub with 12 members is to choose three officers president vice-presidents and secretary-treasurer if each office is to be held by one person and no person can hold more than one office in how many ways can those offices be filled

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 =

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

Complete the steps to find 4.830 ÷ 5