Answer:
12
Step-by-step explanation:
I think the answer is C hope this helps
3/5 is the slope, all you have to do is rise over run from one solid point to another solid point and simplify if you have to
45:10 I think ? .. that’s how my teacher did it
the have identical length so to know the length of each pipe you should divide 22.4 by 7
22.4 / 7 = 3.2