What is quartile in this picture

Trevor and marissa together have 26 t-shirts to sell. if marissa has 6 fewer tshirts that trevor, find hiw many tshirts trevor has. identify the if-than moves in your solution

If jm equals 5x -8 and lm equals 2x -6 which expression represents jl

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.