Indicate whether the statement below is true or false. If it is false, find real number replacements for a and b that will provide a counterexample.
For all real numbers a and b, a + b = b + a.
A) True
B) False, 10 + 00 + 10
C) False, (10) + (–1)(1) + (–10)
D) False, (–10) + (–1)(–1) + (–10)
A) True
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P = I2R. Find P when I = 400 mA and R = 300 ohms.
a. 24 W b. 48 W c. 120 W d. 14,400 W e. 120,000 W
Write the answer to the problem as an algebraic expression.The product of two numbers is 19. One of the numbers is s. Find the other number.
A. 
B. 19s
C. 
D. 19 - s
Use the tautology 
to write statement in an equivalent form.
?
We will not visit New York or visit the Statue of Liberty.
?
A. If we visit New York, then we do not visit the Statue of Liberty. B. If we do not visit New York, then we do not visit the Statue of Liberty. C. If we do not visit New York, then we visit the Statue of Liberty. D. If we visit New York, then we visit the Statue of Liberty.
Provide an appropriate response.Explain and correct the error in the following problem: 
7. 5 5
What will be an ideal response?