Solve using the addition or division principle.12 = -25 + n
A. -13
B. -37
C. 13
D. 37
Answer: D
Mathematics
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Solve the problem.Find the center of mass of a tetrahedron of constant density bounded by the coordinate planes and the plane 
.
A. 
= 2, 
= 
, 
= 
B. 
= 1, 
= 
, 
= 
C. 
= 
, 
= 
, 
= 2
D. 
= 
, 
= 
, 
= 4
Mathematics
Factor by grouping.t(4 - m) - s(m - 4)
A. (m - 4)(t + s) B. (4 - m)(t + s) C. (4 - m)(t - s) D. (4 + m)(t + s)
Mathematics
Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = x2i + xyj + yk; C: the counter-clockwise path around the perimeter of the rectangle in the x-y plane formed from the x-axis, y-axis , x = 3 and y = 6
A. 108 B. - 54 C. -108 D. 54
Mathematics
Graph the system of linear inequalities.3x - 2y ? 6 and x - 1 > 0
A. 
B. 
C. 
D. 
Mathematics