Mario makes 30 calls in 15 hours. How many calls can he make in 3 hours?

Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k

Solve x+3y=6 and 4x-6y=6 by elimination . show work !