1. Write the expression modeled by the number line. Then find the sum.
A -5 + 7; 2
B 5+(-7); -2
C 5 + 7; 12
D -5 +(-7); -12

easy its decreasing

step-by-step explanation:

because its top point is at the to of the graph on the left side (atleast from the veiw i see it) now if that top point wast in the lower part of the graph it would be increasing hope this have a nice day

the answer is d

step-by-step explanation:

you can also use mathway to get you answer + steps