HELP ME THIS IS THE LAST ONE

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

What kind of bond pays interest which is exempt from tax?

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