Simplify the complex rational expression.
A. 
B. 
C. 6s + 7t
D. 7s + 6t
Answer: C
Mathematics
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Evaluate the improper integral.
A. 120 B. 80 C. 100 D. 60
Mathematics
Classify the function as a polynomial function, rational function, or root function, and then find the domain. Write the domain in interval notation.f(x) = 
A. root function; (-?, 
]
B. root function; (-?, 13]
C. root function; (-?, 13) ? (13, ?)
D. root function; (-?, 
) ? (
, ?)
Mathematics
Find the eccentricity of the ellipse or hyperbola.x2 - 25y2 = 25
A. 
B. 
C. 
D. 2
Mathematics
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. 
? 3.162
B. 
= 140.0
C. 
? 21.024
D. 
? 16.733
Mathematics