Find the area of the specified region.Inside the cardioid r = ?(1 + sin ?), ? > 0
A. 
- 2?2
B. 
C. 2??
D. 
+ 2?2
Answer: B
Mathematics
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Identify which of these types of sampling is used: simple random, stratified, systematic, or convenience.A researcher interviews 19 work colleagues who work in his building.
A. Stratified B. Systematic C. Simple random D. Convenience
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Mathematics
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.-x2 - 7x + 44
A. -(x - 11)(x + 4) B. -(x + 11)(x - 4) C. -(x - 11)(x + 1) D. -(x - 11)(x - 4)
Mathematics
Integrate the function.
A. tan-1 7x - 
+ C
B. ln 
+ C
C. 
+ C
D. 
tan-1 7x + 
+ C
Mathematics