ASAP What type of counting problem is this?

If John has an apple, an orange, a pear, a banana, and a kiwi at home and he wants to bring two fruits for lunch, how many different pairs of fruit can he bring to school?
Permutation without repetition
Combination with repetition
Combination without repetition
Permutation with repetition

The change in water level of a lake is modeled by a polynomial function, w(x). described how to find the x-intercepts of w(x) and how to construct a rough graph of w(x) so that the parks department can predict when there will be no chage in the water level. you may create a sample polynomial of degree 3 or higher to use in your explanations.