C= 28.8
A=29.9
B=30.1
Just count the lines.
7x - 4x - x + 3
2x + 3
hope this helped
For this case, we decompose 240 into prime factors:
So, we have:
240 divided by 2
120 divided by 2
60 divided by 2
30 divided by 2
15 divided by 3
5 divided by 5
one
So, we have to, according to the right side of the decomposition shown:

Answer:

They have in common only one summit. you miss something because you can't prove that with only one summit in common