Answer:
I believe your answer is -i
They are called vertical angles because the definition of vertical is: <span>in a direction, or having an alignment, such that the top is directly above the bottom. The "angles opposite each other when two lines cross" match the definition.</span>
12. I need the graphs to answer it
11. y = 1/2x - 1
10. The first graph is the best
Answer:
x = 2
Step-by-step explanation:
