Express the radical in simplified form.
A. 2
B. 2
C. 6
D. 3
Answer: B
Mathematics
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Solve the problem.Find the centroid of a hemispherical shell having outer radius 9 and inner radius 7 if the density is constant.
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 
D. 
= 0, 
= 0, 
= 
Mathematics
Solve for x.
= 6
A. 3 B. 9 C. -3 D. -9
Mathematics
Solve the quadratic equation.4x2 = 8x
A. 0, 2 B. 4, 2 C. 2 D. No real solutions
Mathematics
Find the mode of the scores 6, 8, 5, 9, 8, 7, 4, and 2.
What will be an ideal response?
Mathematics