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. What is the difference in the life span between a person who regularly works puzzles and a person who frequently feels stressed?
Years of Life Gained or LostA denotes "Frequently feel stressed"B denotes "Regularly work puzzles"
A. 3 yr
B. 2 yr
C. 6 yr
D. 1 yr
Answer: C
Mathematics
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Solve.Find the measure of the angle, to the nearest degree, from l1 to l2:l1: 
l2: 
A. 135° B. 45° C. 173° D. 30°
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Determine whether the given function satisfies a Laplace equation.f(x, y, z) = 7x2 - 5y2 - 2z2
A. No B. Yes
Mathematics
Identify the statement as simple or compound.If you forget to bring the book back to the library, you will have to pay a fine.
A. Simple B. Compound
Mathematics
Solve the equation.40 - 6x = 4 - 2x
A. {-10} B. {-9} C. {10} D. {9}
Mathematics