Find the expression.u = 6i + 3j
Find 2u.
A. 12i + 3j
B. 12i + 6j
C. 8i + 5j
D. 8i + 3j
Answer: B
Mathematics
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Determine whether the given function satisfies Laplace's equation.f(x, y, z) = 9x + 9y3z2
A. Yes B. No
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Compute r, the linear coefficient of correlation, for the given data.
A. -0.078 B. -0.054 C. 0.109 D. 0.214
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Provide an appropriate response.
How many games were attended by the students in the survey?
A. 21 B. 22 C. 56 D. 72
Mathematics
Write out the first five terms of the sequence.
A. 2, 1, 
, 
, 
B. -2, 1, - 
, 
, - 
C. 2, - 1, 
, - 
, 
D. -2, 1, 
, - 
, 
Mathematics