Write the answer to the problem as an algebraic expression.Elizabeth earned 7 dollars a day at her job. Assuming a 5-day work week, how much did she earn in x weeks?
A. 35x dollars
B. 7x dollars
C. 35 + x
D. 7 + x dollars
Answer: A
Mathematics
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Give an appropriate answer.Using the following graph, find an Euler path that starts with vertex D.
A. D ? E? A ? D ? C ? A ? B ? C ? E B. D ? C? E ? A ? B ? C ? D C. No Euler path exists. D. D ? A? B ? C ? E ? A ? B ? C ? E ? D
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Use a formula from the list provided to find the area of the figure. 
A. 78 square inches B. 39 square inches C. 33 square inches D. 19 square inches
Mathematics
Simplify the exponential expression.
A. 
B. 
C. 
D. 
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Solve the problem.The profit made when t units are sold, t > 0, is given by 
Determine the number of units to be sold in order for P < 0 (a loss is taken).
A. t > 0 B. 13 < t < 20 C. t = 13 or t = 20 D. t < 13 or t > 20
Mathematics