Shade the region in the xy-plane that satisfies the system of inequalities.(x + 2)2 + (y - 4)2 ? 9(x - 2)2 + (y - 4)2 ? 9
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Use identities to simplify the expression.sec4 ? - tan4 ?
A. sec2 ? + tan2 ? B. (sec2 ? + tan2 ?)2 C. sec2 ? - tan2 ? D. 1
Mathematics
Prove the limit statement
= 14
What will be an ideal response?
Mathematics
Multiply. Assume that no radicands were formed by raising negative numbers to even powers.(
+ 1)(
- 1)
A. 2 + 2
B. 2 - 2
C. 4
D. 2
Mathematics
Provide an appropriate response.If X is normally distributed with ? = 40 and ? = 6, find P(X ? 37).
Fill in the blank(s) with the appropriate word(s).
Mathematics