Acircular piece of glass has a radius of 2.1 meters. the glass sells for $1.70 per square meter. what is the total cost of the circular piece of glass? $23.54 $94.16 $3.57 $11.21

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