thranduilswilltolive thranduilswilltolive 22-03-2021 Mathematics contestada Write the standard equation for the circle center (-6, 7), r= 9. O(x – 6)2 + (y + 7)2 = 9 (x – 7)2 + (y + 6)2 = 81 (x + 5)2 + (y – 7)2 = 81 (x+6)2 + (y – 7)2 = 9