Factor. Assume that all exponents are positive.64x2m - 4y2n
A. 256(xm + yn)(xm - yn)
B. 16(xm + yn)(m - n)
C. (8xm + 2yn)(8xm - 2yn)
D. (8xm - 2yn)2
Answer: C
Mathematics
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Simplify the expression. Assume that all variables are positive.
A.
B.
C.
D.
Mathematics
Solve. =
A. - 46
B. - 10
C. 14
D. -
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
Multiply.-10xy7(5xy7 + 2y3 + 5)
A. -50x2y14 - 20xy10 B. -50x2y14 + 2y3 + 5 C. -50xy7 - 20y3 - 50 D. -50x2y14 - 20xy10 - 50xy7
Mathematics