Which graph is the graph of this function?

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

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

Solve 13 + w/7= -18 (w/7 is a fraction)