Simplify the complex rational expression.
A. - 
B. 
C. -1
D. - 
Answer: A
Mathematics
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Solve the equation by factoring.3x2 + 7x = 20
A. 
B. 
C. 
D. 
Mathematics
For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = x + 2, g(x) = 
Find (f - g)(-2).
A. 
B. 
C. does not exist
D. 0
Mathematics
Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62 B. 0.26 C. 0.22 D. 0.50
Mathematics
Evaluate.(-7)4
A. 28 B. -28 C. -2401 D. 2401
Mathematics