Solve the absolute value equation.
= 
A. x = 4, -12
B. x = -4
C. x = -4, 12
D. x = -12
Answer: C
Mathematics
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For the given data value, find the standard score and the percentile.A data value 0.6 standard deviations above the mean.
A. z = 0.06; percentile = 51.99 B. z = -0.6; percentile = 27.43 C. z = 0.6; percentile = 72.57 D. z = 0.6; percentile = 2.5
Mathematics
Factor completely.2x2 - 6xy - 8y2
A. (2x - 2y)(x + 4y) B. 2(x + y)(x - 4y) C. 2(x - y)(x + 4y) D. prime
Mathematics
Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations. If there is no solution to the system, give a reason.5x + 2y + z = -112x - 3y - z = 177x + y + 2z = -4
A. (0,-6, 1) B. (3, 0, -4) C. (0, 6, -1) D. (-3, 0, 4)
Mathematics