Simplify the expression.j3 - j7
A. 0
B. -2
C. 1
D. -1
Answer: A
Mathematics
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Express the rational number as a decimal.
A. 0.
B. 0.
C. 0.15
D. 0.1
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Write 45,800 in scientific notation.
A. 458 × 102 B. 4.58 × 104 C. 45.8 × 103 D. 4.5800 × 104
Mathematics
Give an appropriate answer.The following table shows the average life expectancy in a certain country in the given years. 
Draw a bar graph that makes the increase in the life expectancy look large.
What will be an ideal response?
Mathematics
Find the domain of the composite function f?g.f(x) = x + 6,g(x) = 
A. (-?, -7) or (-7, ?) B. (-?, -7) or (-7, -6) or (-6, ?) C. (-?, -13) or (-13, ?) D. (-?, ?)
Mathematics