Which expression is equivalent to -9 - \left(-4\dfrac13\right)−9−(−4 3 1 )minus, 9, minus, left parenthesis, minus, 4, start fraction, 1, divided by, 3, end fraction, right parenthesis?

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