Yo can i get some help no links or pictures only say the truth or get reported

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad