Find the indicated rate.The city where Lu Na lives has a population of 1,971,718 people and an area of 166.1 square miles. What is the rate of number of people per square mile (the population density)?
A. 11,871 people/sq mi
B. 327,502,360 people/sq mi
C. 0.0000842 people/sq mi
D. 12,464 people/sq mi
Answer: A
Mathematics
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Find the second derivative of the function.p = 
A. 
= - 
- 
- 
B. 
= - 
- 
- 
C. 
= 
+ 
+ 
D. 
= 
+ 
+ 
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
+ 
A. x + 2 B. x - 5 C. x - 2 D. x + 5
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.15x3 - 14x2 - 8x
A. (3x2 - 4)(5x + 2) B. x(5x - 4)(3x + 2) C. x2(3x - 4)(5x + 2) D. x(3x - 4)(5x + 2)
Mathematics
Find u ? v.u = 
, v = 
A. -8 B. 8 C. 0 D. 4
Mathematics