Find the sum or difference. Express the answer reduced to lowest terms and use the denominator given in the first rational expression.
+ 
A. 
B. 
C. 1
D. 
Answer: B
Mathematics
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Determine whether the statement is true or false.If a > b, then a must be a positive number.
A. True B. False
Mathematics
Simplify the complex fraction.
A. 
B. 
C. 
D. 
Mathematics
Graph the function and its inverse using the same set of axes. Use any method.f(x) = log x; f-1(x) = 10x
A. 
B. 
C. 
D. 
Mathematics
Find the value of the variable that satisfies the equation.-7x + 7 + 5x = -3x + 12
A. x = -7 B. x = -12 C. x = 12 D. x = 5
Mathematics