Examples:
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Evaluate each expression when a = 2, b = 1/4, x = 7, and y = 3 1. a - 1/2 2. b + 3 3. ab + xy 4.ax - by
Evaluate each expression when a = 2, b = 1/4, x = 7, and y = 3
1. a - 1/2
2. b + 3
3. ab + xy
4.ax - by
Answers to Problems
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