Lots of points to whoever can which of the graphs below correctly solves for x in the equation −x2 − 3x − 1 = −x − 4?

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