Answer:
a = -4
b = 5
c = -2
(That's the 3rd line you posted)
Step-by-step explanation:
They are both equal because in decimals you can add thousands of zeros and it's still equal.
2nd, 4th, and 5th answers are correct
1.5, 2.25, 3.375, 5.0625, 7.59375... and so on
