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
Answer: B
Mathematics
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A. y = -
x - 
? + 2
B. y = -
x + 
C. y = 
x - 
?
D. y = -
x + 
? + 3
Mathematics
Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.x2 + y - 36 = 0
A. origin B. x-axis C. y-axis D. x-axis, y-axis, origin E. none
Mathematics
Graph the function.y = sec (3x)
A. 
B. 
C. 
D. 
Mathematics
Write the word phrase as an algebraic expression. Use x to represent the unknown number.53 decreased by a number
A. x - 53
B. 53 + x
C. 
D. 53 - x
Mathematics