Simplify.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify the rational expression.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve 
- 3 ? x ? 3, about the x-axis (dimensions are in feet). If a cubic foot holds 7.481 gallons and the helicopter gets 3 miles to the gallon, how many additional miles will the helicopter be able to fly once the tank is installed (to the nearest mile)?
A. 56 B. 113 C. 75 D. 226
Mathematics
Find the inverse of the matrix, if possible.
A. 
B. No inverse
C. 
D. 
Mathematics
Answer the question.How can you tell just by looking at a rational expression, if it is equal to -1?
What will be an ideal response?
Mathematics