Simplify.2? 

A.  
B.
C.
D.  


Answer: B

Mathematics

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Fill in the blank.The opposite of -(-28) = .

A. -28
B. 0
C. - 
D. 28

Mathematics

Determine if the graph of the function opens upward or downward and whether it has a maximum or a minimum point.f(x) = x2 + 2

A. Downward, maximum B. Downward, minimum C. Upward, minimum D. Upward, maximum

Mathematics

Use the prime factorization method to find the LCM of the variable expressions.9a, 27ab, 24b

A. 216a2b B. 648ab C. 648a2b D. 216ab

Mathematics

Determine the row operation that was used on the first matrix to obtain the second matrix.

What will be an ideal response?

Mathematics