1.) which numbers are in order from greatest to least; A. -20, -5, 10, 15, 40
B. -5, -20, 10, 15, 40
C. -5, 10, 15, -20, 40
D.40, 15, 10, -5 , -20

D

Step-by-step explanation:

40 is the highest because it's a positive number and -20 is the lowest cause it's negative

D is

Step-by-step explanation:

Once you go past negatives, the "bigger" numbers are smaller than the "smaller" numbers. (-20>-60)

-1/2 +2

step-by-step explanation:

b, i believe, but not sure.