What is the scale factor of ABC to DEF?

If a is a nonzero real number then the reciprocal of a is

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

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