Carl took his brother to dinner. the bill, including tax, was $50. carl left a tip of $8. what percent of the bill did carl leave as tip?

Find the missing dimension extra points

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?

Which statement accurately explains whether a reflection over the y axis and a 270° counterclockwise rotation would map figure acb onto itself?