The long family and the wood family each used their sprinklers last summer. the long family’s sprinkler was used for 20 hours. the wood family’s sprinkler was used for 25 hours. there was a combined total output of 1675 l of water. what was the water output rate for each sprinkler if the sum of the two rates was 75 l per hour? long family’s sprinkler: wood family’s sprinkler:

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m