Which statement is correct about triangle 1 and 2? please help:)

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

Find the distance between the point (-3,-4), and (see the picture below)