Solve the problem.On part of a scenic tour of underground caves, Dave and Neil started at an elevation of 40 feet below sea level. They then rose 20 feet. Represent their distance below sea level as a signed integer.
A. 60 feet
B. -60 feet
C. 20 feet
D. -20 feet
Answer: D
Mathematics
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A. 17.0567 B. 0.17567 C. 17.567 D. 17,567
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A. 
B. 
C. 
D. 
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A. 
B. 
C. 
D. 
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