Find the indicated rate.The city where Lu Na lives has a population of 1,976,884 people and an area of 91.5 square miles. What is the rate of number of people per square mile (the population density)?
A. 21,605 people/sq mi
B. 180,884,886 people/sq mi
C. 22,686 people/sq mi
D. 0.0000463 people/sq mi
Answer: A
Mathematics
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 27
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Solve the given inequality (a related function is graphed).-x2 + 3x ? -7x + 21 
x-intercepts: (3, 0), (7, 0)
A. (3, 7) ? (7, ?) B. (-?, 3] ? [7, ?) C. [3, 7] D. (-?, -3) ? (7, ?)
Mathematics
Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Mathematics
Write the improper fraction as a mixed number.
A. 3
B. 4
C. 4
D. 3
Mathematics