Question: a. Evaluate a + b for a = -2 and b = 5. b. Evaluate b + a for a = -2 and b =

a. Evaluate a + b for a = -2 and b = 5.
b. Evaluate b + a for a = -2 and b = 5.
c. Compare your results from parts (a) and (b).
d. Evaluate a + b and b + a for a = -4 and b = -9, and then compare the results.
e. Is the statement a + b = b + a true for all numbers a and b? Explain.

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