I'm hella bored, who wants to talk?

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Evaluate the expression. (9 + 5)(3 + 2)0

Multiply: 2.7 × (–3) × (–1.2). a. –9.72 b. –10.8 c. 10.8 d. 9.72