Can someone me find the plot area of all three diagrams? i don't know how to do them

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

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?

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges