A circle is defined by the equation given below. What are the coordinates for the center of the circle and the length of the radius?

A.

B.

C.

D.

answer:

c) the x-coordinate of the center of the circle increases by 3

you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.

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