Determine which expression(s) is in its simplified form. select all situations that apply. 1. 12x/y 2. x^2/xy 3. 4x/32z 4.z^4/xyz 5.5z/xy

12x/y

and

5z/xy

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.