Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 2
- 3
B. 2
+ 6
C. 2
- 6
D. 
Answer: B
Mathematics
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Provide an appropriate response.Is x3y7 a common factor of x4y9 and x2y7?
A. No B. Yes
Mathematics
Find the eccentricity of the hyperbola.8x2 - 9y2 = 72
A. 
B. 
C. 
D. 
Mathematics
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = -6.8x + 150.7 B. y = 6.8x - 150.7 C. y = -6.2x + 140.4 D. y = 6.2x - 140.4
Mathematics
In the figure below, choose the pair of corresponding angles.
?
?
A. 
and 
B. 
and 
C. 
and 
D. all of these
E. none of these
Mathematics