Find the exact value by using a sum or difference identity.tan(- 15°)
A. 
- 2
B. - 
+ 2
C. 
D. 
Answer: A
Mathematics
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Find the center of mass of a thin plate covering the given region with the given density function.The region bounded by x = y2 and the line x = 1, with density ?(x) = y2
A. 
= 
, 
= 0
B. 
= 0, 
= 
C. 
= 
, 
= 0
D. 
= 
, 
= 0
Mathematics
Provide an appropriate response.Solve the following equation: 
= 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Determine the number of significant digits in the number 2.403.
What will be an ideal response?
Mathematics
Identify the graph of the equation over the given interval.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics