A stone is launched into the air from a height of 240 feet. The height, h, of the stone, in feet, 1 seconds after launch is given by the formula h = - 1612 + 32t + 240. After how long will the stone hit the ground?

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=

(c) the diagram shows the first three shapes of a matchsticks arrangement. first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.