Complete the proof justifying that the diagonals of a rhombus are perpendicular.

What percent of the circle below is shaded?

15. jiovanni is looking in to two different companies that offer study guides for math exams.test prep 101 charges a $5 flat fee and an additional $0.25 per problem.math charges a $2 flat fee and an additional $0.50 per problem.how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {

If ∠q = 44°, then m = 44°. true false