Arrange the group of numbers in order, from least to greatest.7.09, 7.9, 7.099, 7.999
A. 7.09, 7.9, 7.099, 7.999
B. 7.099, 7.09, 7.999, 7.9
C. 7.999, 7.9, 7.099, 7.09
D. 7.09, 7.099, 7.9, 7.999
Answer: D
Mathematics
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Simplify the expression.
2
A. 1
B. 
C. 
D. 5
Mathematics
Solve the problem.The life expectancy of inhabitants of a country can be approximated by the equation y = 0.305x - 385, where x is a year between 1940 and 2006 and y is age in years. Use this mathematical model to approximate life expectancy (to the nearest tenth of a year) in 1973.
A. 301.8 yr B. 216.8 yr C. 597.9 yr D. 563.3 yr
Mathematics
Evaluate the expression without using a calculator.ln 
A. -
B. 
C. -4
D. 4
Mathematics
Simplify.
(6x - 11y + 6z + 
)
A. 
x - 
y + 
z + 
B. 
x - 
y + 
z + 
C. 
D. 
x - 
y + 
z + 
Mathematics