Add by using the number line.7 + (-5)
A. -2
B. -12
C. 2
D. 3
Answer: C
Mathematics
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Solve.Find the sum of 645 and 3357.
A. 4002 B. 3992 C. 4102 D. 4003
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Write the fraction or mixed number as a percent.
A. 16
%
B. 
%
C. 
%
D. 1
%
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Graph the function.y = sin ?x
A. 
B. 
C. 
D. 
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Perform the indicated operation and simplify. Assume all variables represent positive real numbers.
A. 7a2 + a 
+ 
+ 
B. 7a2 + a 
+ 7a 
+ 
C. 7a2 + a 
+ 7a 
D. 7a2 + 
Mathematics