Expand.(1 - 
)4 + (1 + 
)4
A. 55
B. 112
C. 44
D. 48
Answer: B
Mathematics
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Find the missing number.The area of a parallelogram is 48 in.2 and the base is 8 inches. Find the height.
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Determine whether the given number is a solution of the equation. 5r + 10 = 45; r = 
A. No B. Yes
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Express the vector as a product of its length and direction.
i - 
j - 
k
A. 
B. 
C. 
(i - j - k)
D. 
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Use the summation properties to evaluate the series. The following rules may be needed: 
. 
A. - 65 B. - 85 C. - 45 D. - 33
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