Identify the set as finite or infinite.{x|x is a person alive now}
A. finite
B. infinite
Answer: A
Mathematics
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Find the LCD of the pair of fractions. Then build up each fraction to have that common denominator. 
and 
A. LCD is 75, 
and 
B. LCD is 375, 
and 
C. LCD is 75, 
and 
D. LCD is 375, 
and 
Mathematics
Solve the problem.Median family income in Country X between 1990 and 1999 can be modeled by 
where x is the year. Determine symbolically when the median income was $42,754.
A. x ? 1994 B. x ? 1996 C. x ? 1998
Mathematics
Find the value of the determinant.
A. 34 B. -1 C. -31 D. 1
Mathematics
Perform the indicated operation and simplify. Write the answer in the form a + bi.(4 - 9i)2
A. 97 - 72i B. 16 - 153i C. -65 - 72i D. 16 + 9i
Mathematics