What is the answer to this and plz give me step by step explaining

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

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Side xy of triangle xyz is extended to point w, creating a linear pair with ∠wyz and ∠xyz. measure of an exterior angle what is the value of x? 64 80 100 180