Answer:

Step-by-step explanation:

Answer: B
Step-by-step explanation:
Any inscribed quadrilateral (quadrilateral in a circle) has opposite angles that add up to 180 degrees.
So looking at he picture we can see that, (x+16) + (6x-4) = 180.
So your answer is B.
The z-score for 81 is 1.75
<h3>How to determine the z-score for 81?</h3>
The given parameters are:
μ = 60 , X=81, and σ = 12
The z scores is calculated using:

Substitute the given values

Evaluate the difference

Simplify
z = 1.75
Hence, the z-score for 81 is 1.75
Read more about z-scores at:
brainly.com/question/25638875
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