I think the answer would be 15, 8•15=120, leaving 3 points left which would be an multiple choice question, hope this helps:))
All you do is measure it with a ruler and for every 1 cm you get multiply it by 8.5ft.
so for example if you got 6cm then you would multiply it by 8.5ft and your answer would be 51ft.
The expressions is undefined in the set of the real numbers.
1. A)
7x= 3(35)
7x= 105
105/7= 15
Therefore x=15
2. C)
