Evaluate. 
3
A. 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Solve by isolating the absolute value and using the absolute value property.
+ 2 = 9
A. {
, - 
}
B. {- 
, 
}
C. ?
D. {
, - 
}
Mathematics
The number of Americans aged 45 to 54 (which stood at 25 million at the beginning of 1990) grew at the rate of
?
?
million people/year, t years from the beginning of 1990. How many Americans aged 45 to 54 were added to the population between 1990 and the year 1998? Please give your answer to one decimal place.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the area.
A. 20 mi2 B. 24 mi2 C. 400 mi2 D. 16 mi2
Mathematics
Find the solution to the system of equations by the substitution method. x + 7y = 2-7x + 6y = 41
A. (-6, 1) B. (-5, 1) C. (-6, 2) D. (5, 2)
Mathematics