Help me with number 9 !! Please hurry

43lbs of tomatos cost $387. how much would 41lbs cost

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?

Graph a point. start at your origin, move left 10 units, and then move up three units which ordered pair is the point you graphed