An 61 kg object is traveling one direction at 11 m/s. It collides with another object, this one at rest, with a mass of 104 kg. If the two objects stick together and move together in one direction, what is the final velocity of the two cars together?

Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano

Which are the possible side lengths of a triangle?

Renee hiked for 6 3 /4 miles. after resting, renee hiked back along the same route for 5 1 /4 miles. how many more miles does renee need to hike to return to the place where she started? represent your answer as a simplified mixed number, if necessary.