Write a fractional rate. Simplify the rate to a unit rate and write it as a phrase.The city where Lu Na lives has a population of 2,485,355 people and an area of 166.7 square miles. What is the unit rate in people per square mile (the population density)?
A. 
; 15,655 people per square mile
B. 
; 0.0000671 people per square mile
C. 
; 414,308,679 people per square mile
D. 
; 14,909 people per square mile
Answer: D
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Find the volume of the solid generated by revolving the region R bounded by the graphs of the given equations about the y-axis.x = 3y - y2, x = 0
A. 
?
B. 
?
C. 
?
D. 
?
Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = 
A. 2 B. 1 C. 0 D. No limit
Integrate the function. 
A. 
B. 
- 13
C. 
D. 133/2
Classify the statement as true or false. Consult the following list as needed. src="https://sciemce.com/media/4/ppg__10702191845__f1q427g5.jpg" alt="" style="vertical-align: 0.0px;" height="11" width="11" /> = the set of irrational numbers 
= the set of natural numbers 
= the set of whole numbers 
= the set of integers 
= the set of rational numbers 
= the set of real numbers
? 
A. True
B. False