Cost, Revenue & Profit
For these problems, x\displaystyle {x} will represent the number of items and y\displaystyle {y} will represent the money.

The fixed costs for a certain item are $175 per week. The cost to produce each item is $11 per item.

Using this information, what is the cost equation? Give your answer in slope-intercept form:
y=\displaystyle {y}=
 

The retailer intends to sell each item for $19/item.

Using this information, what is the revenue equation? Give your answer in slope-intercept form:
y=\displaystyle {y}=
 

If in this week 21 items are made, and all items are sold in the week, what are the total costs to the retailer?
Cost = $

What is the revenue from selling 21 items?
Revenue = $

Finally, what is the profit for this retailer?
Profit = $

Box 1 & 2: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question.