Which best describes the graphs of the line that passes through (-12, 15) and (4, -5), and the line that passes through (-8, -9) and (16, 21)?
A)
They are parallel lines.
B)
They are vertical lines.
c)
They are collinear lines.
D)
They are intersecting lines.

Michael opens a store selling specialty artisan breads. before he can begin baking and selling bread, he purchases a bread oven. each week he sells the same number of loaves and earns the same amount of money. write an equation to show how much money he has earned at any week. x y week profit in dollars 1 –250 2 –170 3 –90 4 –10 5 70 a. y = 80x + 70 b. y = 80x – 330 c. y = 80x – 250 d. y = 80x