Select all the correct answers lmn has vertices l(-2 4) m(3 2) and n(1 -3). which describe the triangle?

A right

B obtuse

C equilateral

D acute

E scalene

F isosceles

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{ {