A wet towel hung from a clothesline to dry loses moisture through evaporation at a rate proportional to its moisture content. After 1 hour, the towel has lost 40% of its original moisture content. How long will it take the towel to lose 80% of its original moisture content?
?
A. ?
B. ?
C. 
D. ?
E. 
Answer: D
Mathematics
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Evaluate the surface integral of the function g over the surface S.G(x,y,z) = x2 + y2 + z2; S is the surface of the cube formed from the coordinate planes and the planes 
and 
A. 80
B. 
C. 112
D. 
Mathematics
Provide an appropriate response.Consider the following preference schedule.
If the winner is selected by sequential runoffs, which of the following fairness criteria is violated?
A. Fairness Criterion 4 B. Fairness Criterion 3 C. Fairness Criterion 2 D. None of these
Mathematics
Simplify the expression by using the order of operations.60 ÷ 10 ? (12 - 4)
A. 96 B. 68 C. 48 D. 76
Mathematics
Use the given figure to solve the problem.Find the bearing from O to C. 
A. S 20° W B. S 36° E C. S 70° W D. N 153° W
Mathematics