1
A circle is defined by the equation given below.
11
- = 0
I2 + y²
- 2y
What are the coordinates for the center of the circle and the length of the radius?
A.
B.
(, 1), 2 units
(1, 1), 4 units
oc. 6, -1), 2 units
6, -1), 4 units
OD
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Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?
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