Use the frequency table below to answer the following question(s).
If the mean of the data set is 6, then x satisfies
A. 3 ? x < 6
B. 12 ? x
C. 6 ? x < 9
D. 0 ? x < 3
E. 9 ? x < 12
Answer: E
Mathematics
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Evaluate the indicated double integral over R.
; R = {(x, y): 0 ? x ? 3, 0 ? y ? 1}
A. -12 B. 15 C. 24 D. 12
Mathematics
Subtract.49 - 2.15
A. 48.785 B. 46.85 C. 46.985 D. 2.75
Mathematics
Find all values of ? in [-4?, 4?] satisfying each of the following equations. tan ? = -1
A. ? = - 
, - 
, 
, 
B. ? = - 
, - 
, - 
, - 
, 
, 
, 
, 
C. ? = - 
, - 
, - 
, - 
, 
, 
, 
, 
D. ? = - 
, - 
, 
, 
Mathematics
Perform the indicated operation.Let A = 
. Find 2A.
A. 
B. 
C. 
D. 
Mathematics