12^2+b^2=13^2
144+b^2=169
subtract from both sides
b^2=25<--- (square root)
=5
I hope this helped :)
Answer:
I think $21 or $7.88
Step-by-step explanation:
check it again and there you go
if the answer is the value of x then it would be 13.5
what? what is this supposed to be?