Jennifer had $24 to spend on five pens. after buying them she had $14. how much did each pen cost?

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Me because some of question i don’t understand

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?