Solve the equation.x-2 + 3x-1 + 2 = 0
A. {-1, -2}
B. 
C. 
D. {1, 2}
Answer: C
Mathematics
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Find the center of mass of the thin rod with the given density function.Find the center of mass of a thin rod that lies along the first-quadrant portion of the circle 
if the density of the rod is 
A. 
= 3, 
= 3
B. 
= 2, 
= 2
C. 
= 
, 
= 
D. 
= 
, 
= 
Mathematics
Multiply.-4 ? 4 ? (-4)
A. 54 B. -64 C. 164 D. 64
Mathematics
Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.x < 90 - x2 
A. (-?, 9) ? (10, ?)
B. (-10, 9)
C. (-?, -10) ? (9, ?)
D. (-9, 10)
Mathematics
Solve the equation.49t3 - 64t = 0
A. 
B. - 
, 
C. 0
D. - 
, 
, 0
Mathematics