Which is the simplest form of x -12

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost