Find the sum or difference. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 7
B. 7
C. 
D. 
Mathematics
Perform the division.
A. -5x4y7 + 2x2y3 + 6 B. 5x6y9 + 2x4y5 - 6x2y2 C. 5x4y9 + 2x2y5 - 6y2 D. 5x4y7 + 2x2y3 - 6
Mathematics
Use the given functions to find all values of x that satisfy the required inequality.f(x) = 
, g(x) = 1; f(x) < g(x)
A. (-?, 2] ? [8, ?) B. (-?, 2) C. (2, 8) D. (-?, 2) ? (8, ?)
Mathematics
Perform the operation indicated.
÷ 
A. 21
B. 
C. 
D. 
Mathematics