Perform the addition or subtraction and give your answer in Hindu-Arabic form.
A. 22
B. 38
C. 32
D. 28
Answer: D
Mathematics
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Determine whether the source of error represents random or systematic error.A government census fails to include homeless people.
A. Systematic error B. Random error
Mathematics
Use the graph of 
to guess at the limit 
, if it exists.
a. –2
b. –1
c. Does not exist
d. –3
Mathematics
Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 196? B. 7? C. 98? D. 49?
Mathematics
Write the whole number in expanded form.8040
A. 8000 + 40 B. 804,000 C. 80,000 + 4000 D. 800 + 4
Mathematics