The coordinates of A and B on a number line are -7 and 9. The coordinates of C and D on a number line are -4 and 12. Are AB and CD congruent? If yes, what is the length of each segment?

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