Rationalize the numerator. Assume that all radicands represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the quadratic equation using the most efficient technique (factoring, extracting square roots, completing the square, or the quadratic formula).x2 + x + 9 = 0
A. 
B. 
C. 
D. 
Mathematics
Factor completely.20x3 + 24x2 + 25x + 30
A. (20x2 + 5)(x + 6) B. (20x2 - 5)(x - 6) C. (4x2 + 5)(5x + 6) D. (4x2 - 5)(5x - 6)
Mathematics
Solve the equation.6r2 = 2r
A. {0, 3}
B. 
C. {0}
D. 
Mathematics
Solve the problem.
The Montgomerys borrowed $86,000 at 7.50% for 30 years to purchase a house. Find the total interest the Montomerys will pay if they pay the loan on schedule.
A. $142,794.40 B. $135,673.60 C. $130,410.40 D. $119,884.00
Mathematics