Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 
B. 
C. 21
D. 
Answer: D
Mathematics
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Express the vector as a product of its length and direction.
i - 
j + 
k
A. 
B. 
C. 
D. 
Mathematics
Expand.(x-3 + 4x3)5
A. 
+ 
+ 
+ 640x3 + 5x9 + 1024x15
B. 
+ 
+ 
+ 640x3 + 1280x9 + 2x15
C. 
+ 
+ 
+ 640x3 + 1280x9 + 1024x15
D. 
+ 
+ 
+ 10x3 + 1280x9 + 1024x15
Mathematics
Find the limit.
A. 1 B. ? C. 0 D. -?
Mathematics
Perform the computation.-12 - (-4)
A. 8 B. -8 C. -16 D. 16
Mathematics