Three different hoses, each with its own pump, can be used to fill a swimming pool. if hose a is used by itself, the pool takes 6 h to fill. is hose b is used by itself, the pool takes 3 h to fill. if hose c is used by itself, the pool takes 2 h to fill. if all three hoses are used at the same time, how long does the pool take to fill?

Fred has a total of 62 dvd and cd. if the number of cd is three more than two times the number of dvd, how many cd does he have?

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

The equation |pl = 2 represents the total number of points that can be earned or lost during one turn of a game. which best describes how many points can be earned or lost during one turn? o o -2 2 oor 2 -2 or 2 o