# Chapter R - Section R.2 - Real Numbers and Their Properties - R.2 Exercises: 44

2

#### Work Step by Step

1. Substitute values of p, q, and r into numerator of equation. 8/4 - (-10)/5 Divide and subtract. 2 + 2 = 4 2. Substitute values of p, q, and r into denominator of equation. (-4)/2 + 8/2 Multiply and divide, then add. -2 + 4 = 2 3. Divide numerator by denominator. 4/2 = 2

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