Answer:
2.5
Step-by-step explanation:
7m + (-9) + (-3m) + 17 m = -5
7m-9-3m+17m=-5
21m - 9 = -5
21m=-5+9
21m=4
m = 4/21 your answer. Hope this helps!
Answer:
s=2
Step-by-step explanation:
9 = -8s - 7
16=8s
s=2
Answer is D since one of the expressions isn't a polynomial