Your little sister has made up a card game where different types of cards are worth different points. Face cards (F) are worth 18 points, cards with red numbers (R) are worth 6 points, and cards with black numbers (B) are worth 3 points. What
algebraic expression models the total number of points that you have in your hand?
Suppose you have 2 face cards, 5 cards with red numbers, and 7 cards with black numbers. How many points do you have?

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations