Answer:
1/2 or 0.50
Step-by-step explanation:
To find the probability of getting either blue or green on a spinner, we must add both probabilities together.

To make adding our two fractions easier, we need to make sure they have like denominators.

Now that the denominators of our probabilities are the same, we can add them together to get our answer.

or 
Answer:
The second one
The third one.
The last one.
Step-by-step explanation:
Hope this helps!
None they cant be it doesn't go into 84 there u go