If jm=5x and lm= 2x -6, which expression represents jl

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

Acircus act has 3 times as many elephants as acrobats. jorge noticed that all together there were 56 legs in the circus ring. how many elephants were in the show?