The answer for the question is D. 3m
Answer
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Step-by-step explanation:
Answer: 65 seats in row 20
Step-by-step explanation: 3 = 31, 6 = 37 the difference is 3 rows but 6 seats so its going up 2 every row therefor you need 14 rows after row 6 so 14 * 2 + 37 = 65 seats
The equation of a circle:

(h,k) - the coordinates of the center
r - the radius
The center is the midpoint of the diameter.

The radius is half the diameter, or the distance from one of the endpoints to the center.

The equation of the circle:
A , you minus the domain and range together then put it in the calculator and mater enter it into a fraction .