Rationalize the denominator and simplify.
A. 
B. 
C. 
D. 
Answer: C
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Solve the system of equations.2x2 - 5y2 = 52x2 + 4y2 = 86
A. (-5, -3), (-3, -5) B. (5, 3), (3, 5), (-5, -3), (-3, -5) C. (5, 3), (-5, 3), (5, -3), (-5, -3) D. (5, -3), (5, 3)
Provide an appropriate response.A shipment of 20 digital cameras contains two that are defective. A random sample of three is selected and tested. Let X be the random variable associated with the number of defective cameras in a sample. Find the probability distribution of X and the expected number of defective cameras in a sample.
What will be an ideal response?
Find the axis of symmetry of the parabola defined by the given quadratic function.f(x) = 11(x - 2)2 + 7
A. x = 2 B. x = -2 C. x = 11 D. x = 7
Find a basis for the column space of the matrix 
.
?
A. 
B. ?
C. ?
D. ?
E. ?