Provide an appropriate response.Is x3y6z4 a common factor of x4y7z5and -x3y7z4?
A. Yes
B. No
Answer: A
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Translate the problem to a system of equations, then solve using matrices.Carole's car averages 13.2 mi/gal in city driving and 25.8 mi/gal in highway driving. If she drove a total of 518.4 mi on 24 gal of gas, how many of the gallons were used for city driving?
A. 10 gal B. 8 gal C. 16 gal D. 21 gal
Determine whether the lines through each pair of points are parallel, perpendicular, or neither.(8, -4) and (28, -16); (-16, -10) and (-10, 0)
A. neither B. parallel C. perpendicular
Identify the intervals where the function is changing as requested.Decreasing
A. (0, -2) B. (-?, 3) C. (0, 3) D. (-?, -2)
Change the exponential expression to an equivalent expression involving a logarithm.3-2 = 
A. log1/93 = -2
B. log-2
= 3
C. log3-2 = 
D. log3
= -2