Okay so, I need help. So I figured out all of the answers I believe (I double checked), and it's letter based, A(D-C)+(B-C) I've tried and had gotten so many answers and they didn't work, I really do need help, this is due tomorrow.

A = 50
B = 5940
C = -49
D = -30
E = -25

I'm very sorry if I missed anything.

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

Which expression gives you the distance between the points (5,1)and(9,-6)

Find the distance between c and d on the number line c=3 and d=11