July 24, 2010

MATH: Answer the following in your notebook:
Ex.A.) x + y = 10
x - y = 4
B.) 2x - 4y = 8
-2x + 2y = -2
C.) 4x - 6y = -26
-2x + 3y = 13
D.) 2x - 4y = 8
6x - 12y = 10

SCIENCE: Please start looking for an investigatory project.