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04-09-2020
Mathematics

contestada

1. Evaluate the expression a + b for a = 8 and b = 7 2. Evaluate the expression xy for x = 4 and y = 9 3. Evaluate the expression 3x + y for x = 11 and y = 8.

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meredith48034 meredith48034

04-09-2020

Answer:

Step-by-step explanation:

1. 8 + 7 = 15

2. (4)(9)= 36

3. 3(11) + 8 = 33 + 8 = 41

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