If (− 4, −8) and (−10, −12) are the endpoints of a diameter of a circle, what is the equation of the circle?
A) (x + 7)2 + (y + 10)2 = 13
B) (x + 7)2 + (y − 10)2 = 12
C) (x − 7)2 + (y − 10)2 = 169
D) (x − 13)2 + (y − 10)2 = 13

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The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.