1) c- you have to imagine if you folded it and have b and f where they are pictured on the right
2) a- supplementary angles add up to 180°
3,600 X 6 is 21,600 so that is the ratio of 1:6
Answer:
C
Explanation:
I think you’re asking what graph goes with D = {x|x≠0} and R = {all real numbers}, which would be C. The reason being is that because x≠0, you need an open dot to represent 0 not being on the line. B has a closed dot, meaning 0 is included, which isn’t what it’s asking for.