Lesson 10.2B

ACT What is the area in the standard (x,y) coordinate plane of a triangle with vertices at (1,2), (-6,2), and (1,-5)? On Monday Jack visits a food cart. One chicken sandwich and two drinks cost $3.75. On Tuesday he goes back. Two chicken sandwiches and one soft drink cost $5.25. How much does a chicken sandwich cost?

Warm-ups a) 7! = 42 x ____ ! b) In how many orders can 5 runners finish the 100 meter hurdles? c) How many “pi-day” t-shirts are possible if they come in small, medium, large, and extra large; long sleeve or short sleeve; lemon, lime, or tangerine; and 100% cotton or a polyester blend?

d) How many unique 3-ingredient smoothies can be made using strawberries, bananas, mangos, blueberries, papaya, and cherries? e) From kindergarten class of 20 students, in how many ways can the teacher choose a line leader, a snack assistant, and a recess helper?

5 dollar footlong challenge a) How many different sub sandwiches can be ordered with 3 toppings if we may choose from lettuce, spinach, tomatoes, onions, cheese, pickles, cucumbers, peppers, and olives? 84 b) What if I said with 2 OR 3 toppings? 36 + 84 = 120 c) What if you could also choose from 6 types of bread? 120x6 = 720

Assignment p. 694 2- 10 even, 14, 16, 38, 39, 49, 50, 54-57, 58, 59, 61