I not that good with math but I would say C.
3 times. Draw a line 1 unit up, and you can see that there are 3 intersections.
Answer:
It decreased by 40%
Step-by-step explanation:
Percent change = 42 - 70
|70|
x 100 = -28
70
x 100 = -40
Mark me brainliest if I helped:D