Complete the recursive formula of geometric sequence -0.6,3,-15,75 C(1)=___
C(n) = c(n-1) •

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