Answer:
B.
Step-by-step explanation:
B should be (2,3) and D should be (2, -4) because its just a reflection of the two points. :)
It's easier to see the numbers if you use commas.
6,289,002
The 6 is in the millions place. When rounding, if the following number is 5 or higher, you would round up. If the following number is 4 or less, you would round down. The number following the 6 is a 2, so you would round down. The nearest million would be 6,000,000.