Factor completely. If unfactorable, indicate that the polynomial is prime.49k3m - 126k2m2 + 81km3
A. km(7k - 9m)2
B. prime
C. km(7k - 9m)(7k + 9m)
D. km(7k + 9m)2
Answer: A
Mathematics
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Simplify the complex fraction.
A. 
B. 
C. 
D. 
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Find the equation of the least-squares line for the given data. Draw a scatter diagram for the given data and graph the least-squares line. x123456y4.55323.51? Please round the coefficients in your equation to two decimal places. ?
A. ?
B. ?
C. ?
D. ?
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Determine whether the statement is true or false.The number -a is always a negative number.
A. True B. False
Mathematics
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(5x
)(5
)
A. 100x2
B. 75x2
C. 75x
D. 100x
Mathematics