Answer:
$37.50
Step-by-step explanation:
They are asking you to find the average and to do that you have to add all the numbers together in a given set then divide that total by the amount of numbers in that set to get your average.
The expression that could be used to add 3/4+1/6 is 
<h3>How to determine the expression?</h3>
The sum expression is given as:
3/4 + 1/6
Rewrite properly as:

Take the LCM.
The LCM of 4 and 6 is 12.
So, we have:

Hence, the expression that could be used to add 3/4+1/6 is 
Read more about expressions at:
brainly.com/question/723406
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Answer:
To round 17.126 to the nearest tenth consider the hundredths’ value of 17.126, which is 2 and less than 5. Therefore, the tenths value of 17.126 remains 1.
17.126 rounded to the nearest tenth = 17.1
The following table contains starting numbers close to 17.126 rounded to the nearest 10th.