Solve the problem.John earns $13.87/hour. If he works 15 hours, how much will he earn?
A. $208.15
B. $208.05
C. $208.06
D. $209.15
Answer: B
Mathematics
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by using the Chain Rule. Express your final answer in terms of t.w =x2 + xy + y2, x = e4t, y = t
A. 8e8t + (4t + 1)e4t + 2t B. 4e8t + (4t + 1)e4t + 8t C. 8e8t - 4te4t + 2t D. 4e8t + (4t + 1)e4t + 2t
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Write the decimal number as a percentage.0.8
A. 800% B. 0.08% C. 0.8% D. 80%
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Solve the equation.20d2 + 41d + 20 = 0
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression without a calculator.49-3/2
A. -343
B. 343
C. 
D. - 
Mathematics