Answer:
3 * 20s
Step-by-step explanation:
In order to find out how much Mr. Hartman will spend in total we first need to multiply the price of the keyboard and mouse by the number of computers in a single computer station. Once we have these products we add them together. Finally, we multiply this new value by 3 since there are a total of 3 computer stations. If we turn this into an expression it would be the following...
3 * (13.50s + 6.50s)
We can even simplify this by first adding the cost of the keyboard and mouse and then multiplying by s
3 * 20s
Answer:

Step-by-step explanation:
We are given the equation
. To find y-value when or at x = 3, simply substitute x = 3 in which gives us
then evaluate the value as we obtain the y-value or final answer to the question:

If you have any questions about this question or for clarification, do not hesitate to ask in comment!
The answer is A. Monthly service fee
hope this helps:)
Answer:
Last answer: 
sorry couldn't find theata so I just used alpha.
The phrasing of the question implies there are multiple choices. Is this true?