Perform the indicated operation and, if possible, simplify.
- 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Decide whether the given statement is always true or not always true.If B ? A, then A ? B = A
A. Not always true B. Always true
Mathematics
Use counting to determine the whole number that corresponds to the cardinality of the set.A = {x|x ? N and (x + 6)(x + 4) = 0}
A. Infinite B. n(A) = 4 C. n(A) = 2 D. n(A) = 6
Mathematics
Express the English phrase using an algebraic expression.8 more than 7 times a number x
A. 7(8 + x) B. 7x + 8 C. 8x + 7 D. 15x
Mathematics
Insert <, >, or = to form a true statement.541.6503 
541.6305
A. < B. = C. >
Mathematics