Add or subtract. Assume all variables represent positive real numbers.
+ 4
+ 2
A. 15
B. 15
C. 6
D. 6
Answer: B
Mathematics
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A. x3 - 4x2 + 16x - 64 + 
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C. x3 + 4x2 + 16x + 64 + 
D. x3 + 4x2 + 16x + 64
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A. 1.733 B. 2.65 C. 1.367 D. 15.9
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How many more pet cats are there than pet dogs? ? Is it possible to use bar graphs in this case? ?
A. True B. False
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