Find the average of the list of numbers.-17, 2, -9, 3, 12, -5, 7
A. -3
B. 1
C. -1
D. -2
Answer: C
Mathematics
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Find the second derivative of the function.y = 
A. 
= 1 + 
B. 
= 2 - 
C. 
= 2 + 
D. 
= 2x - 
Mathematics
Compute the difference. Express answer in simplest form.
- 
A. 
B. 2
C. 1
D. 
Mathematics
Identify ? and ? in the following expression which is the right side of the formula for cos (? - ?).cos 
cos 
+ sin 
sin 
A. ? = 
, ? = 
B. ? = 
, ? = - 
C. ? = - 
, ? = 
D. ? = 
, ? = 
Mathematics
Add or subtract. Simplify your answer to lowest terms.
- 
A. r + 9
B. r - 81
C. 
D. r - 9
Mathematics