Provide an appropriate response.Explain why the decimal points must be lined up vertically when adding decimal numbers.
What will be an ideal response?
Digits in different place values cannot be combined.
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Give an appropriate answer.If f(x, y, z) = 
3/2 find fz(x, y, z).
A. 
B. 
C. 
D. 
Solve.Life expectancy for the average man in a certain country is 74.1 years; for a woman, it's 79.5 years. The number line, with points representing integers, indicates factors, many within our control, that can stretch or shrink one's probable life span. If you regularly work puzzles and you smoke cigarettes, do you stretch or shrink your life span? By how many years?
Years of Life Gained or LostA denotes "Smoke cigarettes"B denotes "Regularly work puzzles"
A. shrink by 6 yr B. shrink by 7 yr C. stretch by 9 yr D. stretch by 8 yr
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log5(25x)
A. 2 + log5x B. 2log5x C. 10 + log5x D. 2x
Find the inverse of the one-to-one function.f(x) = 
A. f-1(x) = 
+ 
B. f-1(x) = 
C. f-1(x) = - 
- 
D. f-1(x) = 
+ 