Describe the function representing the relationship between perimeter and side length of the sqaures and the function
representing the relationship between the area and side length of the sqaures.

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