Mark's dad is three times older than Mark. Mark's sister is 2 years younger than Mark. The sum of their ages is 48. How old are Mark, his sister, and his dad?

Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection

Are the corresponding angles congruent? explain why or why not.

Thomas is using a drawing program to complete a construction. which construction could he be completing? two perpendicular lines are drawn. inscribing an equilateral triangle in a circle inscribing a square in a circle inscribing a regular pentagon in a circle inscribing a regular hexagon in a circle