What is the difference of the rational expressions below 14x/17-3x/17

Pls the last one and it has to be like number 6

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points

Hilary decided to purchase 3 points in order to lower her interest rate on her $140,000 mortgage. how much additional money does she need to bring to closing? a. $4200 b. $4000 c. $6 d. $400