Solve the simultaneous equation 3x^2-xy=0 and 2y -5x

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Joanie watched 1 out of three of a movie in the morning

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?