Can someone please help me? this is due in 10 minutes

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

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