X ^ 2 + 12y + 35 factored completely is?

What is the prime factorization of 195

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

What is the solution for 6 - 7/8? explain the steps.