A vertical line is represented by x = a number
so ur vertical line is : x = 4 <==
** and just so u know, a horizontal line is represented by y = a number.
AB = 9.
It is given that BC = 9 and AB = BC. Hence, AB = BC = 9.
Answer:
there in not enough information in your question to get an answer
42. This is because you cross out the numbers left from right until theres a number inbetween.
