Add.-21 + (-20)
A. -1
B. 41
C. 1
D. -41
Answer: D
Mathematics
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Add or subtract and write answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Mathematics
Use the table below to write the Hindu-Arabic numeral as a traditional Chinese numeral.
8506
A. 
B. 
C. 
D. 
Mathematics
Find the mean, median, and mode for each set of numbers.39.74, 32.44, 30.43, 32.51, 38.34, 38.34
A. Mean = 35.6, Median = 35.428, Mode = 38.44 B. Mean = 35.3, Median = 35.425, Mode = 38.34 C. Mean = 35, Median = 35.428, Mode = 38.44 D. Mean = 35, Median = 35.425, Mode = 38.44
Mathematics
Sketch the graph of 
.
A. 
B. 
C. 
D. none of these
Mathematics