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Quantity of workers Quantity of foot massages per day Fixed cost Variable cost Total cost Average total cost Marginal cost 0   0           1 10           2 25           3 45             31) Alicia Gregory owns a foot massage business. She leases 4 computer-controlled massage booths, for which she pays $125 per day per booth. She can hire as many workers as she wants at a cost of $75 per day per worker. These are the only two inputs she uses in her business. Use this information to fill in the columns in the table. Since it might not be possible to copy and paste the table to fill it out, simply type out your answers to the last row: 5: fixed cost, variable cost, total cost, average total cost, marginal cost Use commas to separate the values.

Determine the amount of heat released (in kilojoules) when 18.2 grams of ethane, C2H6, undergoes combustion according to the following equation: 2C2H6 (g) + 7O2 (g) 

Explain how the market for opticians is affected as a result of the development of laser technology which reduces the demand for glasses and contact lenses. Opticians are trained professionals who fit people with glasses and contact lenses. In your explanation be sure to show the connection between the market for glasses and contact lenses and the market for opticians.

36.0  g sample of an unknown metal is heated from 25oC to 35oC and 130 J of heat is absorbed. Use the chart below to determine the identity of the unknown metal. 

.Calculate the pressure exerted by 8.5 moles of an ideal gas in a 25.0 L vessel at 50°C.

19) Consumers benefit from monopolistic competition by

What is the formal charge of nitrogen in in the structure below? 

Which of the following electron transitions would emit energy?   a. n=3 → n=5  b. n=2 → n=4  c. n=6 → n=4    

Determine the signs of q and w when 92 kJ of heat energy is absorbed while a system does 34 kJ of work on the surroundings.   Sign of q Sign of w A.  – + B.   – – C.  + + D.  + – E.  0 0  

Determine the signs of q and w when 45 kJ of heat energy is absorbed while a system does 92 kJ of work on the   Sign of q Sign of w A.   + + B.   – – C.  + – D.  – + E.  0 0