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Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?