A certain circle can be represented by the following equation. x2 + y2 - 6x - 6y +2 = 0
What is the center of this circle ?

What is the radius of this circle ?

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?