Help me with this math equation please (show all work)

Which of the following statements is not true? a.parallel lines are lines in the same plane that never intersect. b.congruent figures have the same shape and same size angles and sides. c.similar figures must have the same shape and the same size. d.a rotation is when you turn a figure around a certain point.

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

What percent of 18 is 24? and plz explain thx.