Which table represents a linear function

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

What is 32+4 x (16 x 1/2) -2 show your work}

!! 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?