Solve the system of equations by the elimination method. Check your solutions. For any dependent equations, write your answer in the ordered pair form.
A. ?
B. {(-3, 4)}
C. {(3, 5)}
D. {(-4, 5)}
Answer: B
Mathematics
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Solve the problem.Find the centroid of the region bounded above by the sphere 
and below by the plane 
if the density is constant.
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 12
C. 
= 0, 
= 0, 
= 
D. 
= 0, 
= 0, 
= 
Mathematics
Find the area of the rectangle or square.Length = 12 ft, width = 6 ft
A. 72 ft2 B. 144 ft2 C. 36 ft2 D. 18 ft2
Mathematics
Use the graph to express the line in slope-intercept form.
A. y = - 
x - 4
B. y = 
x - 3
C. y = 
x - 3
D. y = -2x - 3
Mathematics
Factor out the greatest common factor.(9q - 5)(10q + 4) + (9q - 5)(q + 4)
A. (9q - 5)(11q + 8) B. (9q - 5)(10q + 4) C. (18q - 10)(11q + 8) D. (9q - 5)(11q + 4)
Mathematics