Multiply.(8m2 + 7n)(8m2 - 7n)
A. 64m4 + 49n2
B. 64m4 - 112m2n + 49n2
C. 64m2 - 49n2
D. 64m4 - 49n2
Answer: D
Mathematics
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Find the center of mass of a thin plate of constant density covering the given region.The region bounded by y = x2 and y = 16
A. 
= 0, 
= 
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 0, 
= 
Mathematics
Find the area of the rectangle.
A. 200 sq m B. 100 sq m C. 50 sq m D. 25 sq m
Mathematics
Solve the equation.
- 
= 
A. {-1} B. {1} C. {-2} D. {2}
Mathematics
Solve the inequality and graph the solution set.
< 3
A. (-?, -4) ? (0, ?)
B. (-?, -4) ? (4, ?)
C. (-4, 4)
D. (-4, 0)
Mathematics