Solve the equation.
+ 
= 
A. 8
B. -8
C. 
D. -4
Answer: B
Mathematics
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A. 60% B. 0.06% C. 600% D. 0.6%
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Write as a mixed number and simplify.
A. 1
B. 3
C. 2
D. 2
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Find x.2 log7 x = log7 64
A. x = 
B. x = 8
C. x = 32
D. x = 62
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?For the given probability density function, find Var(X). Round your answer to three decimal places.
?
?
?
A. ?12 B. ?6.4 C. ?9 D. ?5.4 E. ?28.8
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