Draw a valid conclusion from the given premises.Hard workers sweat. Sweat brings on a chill. Anyone who doesn't have a cold never felt a chill. Anyone who works doesn't have a cold.Therefore....
A. Anyone who has a cold works hard.
B. Hard workers don't get colds.
C. Anyone who sweats works hard.
D. Hard workers don't go to work.
Answer: D
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Find the mean for the given sample data. Unless otherwise specified, round your answer to one more decimal place than that used for the observations.The students in Hugh Logan's math class took the Scholastic Aptitude Test. Their math scores are shown below. Find the mean score.
A. 453.4 B. 462.5 C. 476.0 D. 471.9
Use Fleury's algorithm to find an Euler circuit for the graph beginning and ending at the indicated vertex. If no Euler circuit exists, state this.Using the following graph, find an Euler circuit that begins and ends with vertex A.
A. A ? B ? C ? D ? E ? A ? B B. A ? B ? C ? D ? B ? A C. A ? B ? C ? D ? B ? E ? A D. No Euler circuit exists.
The bar graph below represents various colors of cars sold. Use the graph to answer the question(s). 
Which color sold over 50,000 cars?
A. White B. Silver C. Tan D. Red
Perform the indicated operation.(-7x3 - 7x2 + 7x - 7) + (-6x3 + 9x - 3)
A. -6x3 + 2x2 + 4x - 7 B. -13x3 + 16x - 10 C. -13x3 - 7x2 + 16x - 10 D. -13x3 + 2x2 - 3x - 7