Acommunity center is trying to raise $1680 to purchase exercise equipment. the center is hopping to receive equal contributions from members of the community. write an algebraic expression to evaluate how much will be needed from each person if 10, 12, 14, or 16 people contribute. pls

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 =

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?