Apizza chain uses 455 grams of cheese on their pizza

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

How do you do the foil method with polynomials?

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