Factor completely.x2 + 2xy - 8y2
A. (x - 4y)(x + y)
B. (x + 4y)(x - 2y)
C. (x - 4y)(x + 2y)
D. (x - y)(x + 2y)
Answer: B
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Solve the quadratic inequality symbolically. Write your answer in interval notation.x2 - 2x - 8 ? 0
A. [-2, 4] B. (-?, -2] C. (-?, -2] ? [4, ?) D. [4, ?)
Provide an appropriate response.An outstanding check included in this month's bank statement, from a previous month's bank reconciliation, should be:
A. added to the book balance of cash B. ignored C. deducted from the book balance of cash D. added to the bank statement balance of cash
Solve the problem.The function M described by M(x) = 2.89x + 70.64 can be used to estimate the height, in centimeters, of a male whose humerus (the bone from the elbow to the shoulder) is x cm long. Estimate the height of a male whose humerus is 
long. Round your answer to the nearest four decimal places.
A. 157.3400 m B. 156.5375 cm C. 30.9300 cm D. 160.0277 cm
Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 