Identify the element specified for the matrix.
a14
A. 3
B. -7
C. -8
D. -9
Answer: B
Mathematics
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Perform the indicated operation and express the answer in decimal notation.
A. 0.002 B. -0.002 C. 2000 D. -2000
Mathematics
Refer to the following normal curve, with mean ? and standard deviation ?.
The value of the first quartile Q1 =
A. 100 B. 127 C. 50 D. 73 E. none of these
Mathematics
Simplify the expression. 
A.
| sec x |
B. csc x
C. sin 2 x
D. tan x
Mathematics
Solve.
- x = -1
A. 
B. - 
C. - 
D. 
Mathematics