Homework for Tuesday:

Extended 1. D & F Periods:
Watch the following video reviewing graphing:

Extended 1. H Period:
Solve using substitution method:
3a - b = 9
2a + 2b = 14
Solve using elimination/addition method:
Problem I:
3x + 2y = 11
2x - y = -3
Problem II:
3x + y = 11
9x + 2y = 28
Solve using either method:
Dino buys 4 sunglasses and 2 book for 15.45 chf. Panella buys 3 sunglasses and one book for 7.55 chf. How much does a pair of sungless cost? How much does a book cost?
If Nic buys five sunglasses and five books, how much will he spend?