Which of the following circles have their centers in the second quadrant? check all that apply.
a. (x - 5)2 + (y + 5)2 = 9
b. (x + 12)2 + (y - 9)2 = 19
c. (x + 3)2 + (y - 2)2 = 8
d. (x - 2)2 + (y + 7)2 = 64

B and C

Explanation:

Coordinates of A: (5,-5), which is in the 4th quadrant.

Coordinates of B: (-12,9), which is in the 2nd quadrant.

Coordinates of C: (-3,2), which is in the 2nd quadrant.

Coordinates of D: (2,-7), which is  in the 4th quadrant.

answer: for each 3 girls there is 2 boys . 3: 2

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2: 10

step-by-step explanation: