12. What is the measure of the smaller angle formed by the line and ray in the figure below?

Multiplying an even number of negative numbers gives an answer that is choose from:

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?