Convert the radical expression to its rational exponent form and then simplify. Assume that all variables represent positive numbers.
? 
A. x12/20
B. x9/7
C. x20/12
D. x31/12
Answer: D
Mathematics
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Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
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Solve the work problem.Glenn and Paula want to dig an irrigation channel for their garden. Together it takes them 
to dig an appropriately sized irrigation channel. If Paula can dig the channel by herself in 
how long would it take Glenn to dig the channel by himself? (Round your answer to the nearest tenth of an hour, if necessary.)
A. 3 hr B. 1 hr C. 1.7 hr D. 3.6 hr
Mathematics
Provide an appropriate response.Let A = 
and B = 
.Does the matrix A - B have an inverse?
A. No B. Yes
Mathematics
Find the slope of the line through the given points. If the slope is undefined, so state.(6, -3) and (2, 8)
A. 
B. - 
C. 
D. - 
Mathematics