Evaluate the determinant.
A. -78
B. 66
C. 72
D. -72
Answer: D
Mathematics
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Write with radicals. Assume that all variables represent positive real numbers.6k5/4
A. 6
5
B. 
5
C. 
4
D. 6
4
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = 
, tan ? < 0Find sin (2?).
A. 
B. 
C. - 
D. 
Mathematics
Use the properties of logarithms to write the expression as a single logarithm with a coefficient of 1.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Identify the independent variable and the dependent variable.Let c be the total cost (in dollars) of n notebooks.
A. c independent, n dependent B. n independent, c dependent
Mathematics