Answer:
-3
Step-by-step explanation:
-7b = 21
/ -7 / -7
b = -3
Hope this helped have an amazing day!
10,800 I think that's the answer
1/18
Probability of spinning red=2/6=1/3
Probability of spinning green=1/6
probability of spinning green and then red=(1/6)*(1/3)=1/18