Solve the system by the substitution method.
A. (9, 68), (16, 243)
B. (-3, -4), (3, -4)
C. (-4, 3), (4, 3)
D. (-4, 3), (-3, -4), (3, -4), (4, 3)
Answer: D
Mathematics
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Solve the problem.Find the center of mass of the hemisphere of constant density bounded 
and the 
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 3
D. 
= 0, 
= 0, 
= 6
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Find the indicated trigonometric function, given that ? is an angle in standard position with the terminal side passing through the given point.(7, 8); Find tan ?.
A. 
B. 
C. 
D. 
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Subtract.
A. 324,846 B. 324,946 C. 324,936 D. 325,046
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Provide the requested response.Suppose that a polynomial function of degree 5 with rational coefficients has 
as zeros. Find the other zeros.
A. -3i, 
B. 3 - i , -3 + 
C. 3 - i , 
D. -3i, i + 
Mathematics