Which is an equation of a circle with center (2, −10) and radius 3 (x − 2)2 + (y + 10)2 = 9
(x + 10)2 + (y − 2)2 = 9
(x − 2)2 + (y + 10)2 = 3
(x + 2)2 + (y − 10)2 = 3

In 1995 america online had about 3000000 users over the next decade users are expected to increase from a few million to the tens of millions suppose the number of users increased by 150% by the year 2000 how many users will there be in the year 2000