B, it’s the point that the lines cross
9514 1404 393
Answer:
2nd quadrant
Step-by-step explanation:
Reversing the signs of both coordinates reflects the point across the origin. The quadrant diagonally opposite quadrant 4 is quadrant 2.
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You recall that quadrants are numbered 1 to 4 counterclockwise, starting from upper right.
Actually,I believe it is the rule of 72
72/4.5 = 16 years