Answer:
3/8
Step-by-step explanation:
Rearrange, find common denominator.
I think its 31
AC= 43 in the problem it says that point b is 12 stories above point C Which means that if you subtract 43-12 that may be the answer so AB= 31 but thats only my guess you could try the answer but I'm sorry if its wrong ;-;
Answer: x = 39/10 y = 29/5
