469 603 divided by 9 = 67 67x 7 = 479
I think you put each set of data in to l1 and l2 on your calculator nd find the linear regression ( r value) and you can get to the r value by going to stat diagnostic on

Step-by-step explanation:
1. B is true
2 . I don't know
3.
It means it is asking for a large number so it can represent more of the population because the larger the number the more percent of population so the answer would be A
Yes, they are equivalent
6+7-5=8. -5+10+3=8