Perform the indicated operations. Reduce answers to lowest terms and write any improper fractions as whole or mixed numbers.
+ 
A. 
B. 
C. 
D. 
Answer: A
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Simplify the expression using the order of operations. 
A. 1.11 B. 9.15 C. 11.76 D. 1.66
Annual U.S. imports from China in the years 1997-1999 could be approximated by 
billion dollars per year, where t represents time in years since the start of 1995. During the same period, annual U.S. exports to China could be approximated by 
data-wiris-created="true" varid="variable_id_field" variablename="impvar_7c975423a05f4597b2971bcbd" /> billion dollars per year.
?
Compute the area between the graphs of I and E over the interval 
. (Round your answer to the nearest $10 billion.)
?
A. $80 billion
B. $170 billion
C. $230 billion
D. $20 billion
E. $110 billion
A trucking company had hauls of the following mileage.2,032 km, 2,059 km, 2,035 km, 2,026 km, 2,089 kmWhat is the mean measurement of the hauls?
A. 2,116 km B. 2,048 km C. 10,240 km D. 1,024 km E. 1,808 km
Add the following hexadecimal numbers. Check using decimals.
+ 
A. A B. B C. 12 D. C E. D