Answer:
12 because 12/30 is equal to 40% and 2/5 is is equal to 40% too
Step-by-step explanation:
1 + - 1 can also be written as 1 - 1.
1 + - 1
= 1 - 1
= 0
Hence proved.
170? I think. I don't really understand your question
When you plot the points and use the vertical line test, you'll see that none of the vertical lines go through two points. Therefore verifying that this set of points represents a function.
I’d say 135 or B! I hope this helps!