Where should the commas go?

2dogs and 2 humans how many people are there? animals are considered as people too?

In “the bet” by anton p. chekhov, what motivates the lawyer to participate in the bet?

Why is mme. loisel "full of anxiety" when she asks to borrow the necklace? a. she is humiliated at having to borrow the necklace. b. she dreads going to the reception. c. she lacks confidence in her beauty. d. mme. forester gives her too many pieces to choose from