Use an Euler diagram to determine whether the argument is valid or invalid.All multiples of 4 are multiples of 2.
Therefore, eleven is not a multiple of 4.
A. valid
B. invalid
Answer: A
Mathematics
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Perform the indicated operation and reduce the answer to lowest terms.
- 
A. - 
B. - 
C. 
D. - 
Mathematics
Solve the problem.The following map shows the states Idaho, Montana, Wyoming, Colorado, Utah, and Nevada. Find a route that starts and ends in Colorado and crosses each common state border exactly one time.
A. No such route exists. B. CO ? UT ? NV ? ID ? MT ? WY ? ID ? UT ? WY ? CO C. CO ?WY ? MT ? ID ? NV ? UT ? CO D. CO ?WY ? ID ? MT ? WY ? ID ? UT ? CO
Mathematics
Find the specified domain and express it in interval notation.For f(x) = x2 - 81 and g(x) = 2x + 3, what is the domain of 
(x)?
A. 
? 
B. All real numbers
C. 
D. (-?, -9) ? (-9, 9) ? (9, ?)
Mathematics
Insert ? or ? in the blank to make the statement is true.? 
?
A. ? B. ?
Mathematics