Well, I am not exactly sure if this is what your asking but one foot is twelve times the size of a foot.
I think you can solve it by
=(x^2 - y^2) *( x^2 + y^2)
= (x -y)*(x+y)*(x^2 + y^2)
Answer:
Step-by-step explanation:
46+x=77 subtract 46 from both sides
x=31
