Which of the following is the equation for a circle with a center of (−2, 3) and a radius of 9? (x + 2)2 + (y − 3)2 = 9
(x − 2)2 + (y + 3)2 = 81
(x + 2)2 + (y − 3)2 = 81
(x − 2)2 + (y + 3)2 = 9

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?