Solve the following system of equations.
x + y = 12
x – y = 6
(9, 3)
no solution
infinite number of solutions
(3, 9)

Apackage of bacon holds 15 strips of bacon. the pancake house uses 17 packages of bacon in the morning and 21 packages in the afternoon. how many more strips were used in the afternoon than the morning?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

What is the product? a-3/15a × 5/a-3