Urgent help ! similar figures use the similarity relationship to find the indicated value

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens

With alll of except for the 2 that i did already