Your little sister has made up a card game where different types of cards are worth different points. Face cards are worth 12 points, cards with red numbers are worth 5 points, and cards with black numbers are worth 9 points. let f be the number of face cards in your hand r be the number of cards with red numbers in your hand and b be the number of cards with black numbers in your hand.  What algebraic expression models the total number of points that you have in your hand? Suppose you have 3 face cards, 6 cards with red numbers, and 8 cards with black numbers. How many points do you have

12f+5r+9b; 138
3f+6r+8b; 153
12f+5r+9b; 153
3f+6r+8b; 138