Answer:
I believe that on the first one the active voice would be "employs ten dancers" and passive voice would be "uniquely talented"
Explanation:
it gives you a little hint on the side of how to answer them if that makes sense
The comma here is used to intensify the love/adoration of John for this dog. The fact that 2 adjectives were used to describe the dog, requested the comma to be added, therefore the comma and the adjectives form a "relation" , symbiosis in order to intensify john's feelings for the sheep dog.
B. The bored life of a housewife