Find the center and radius of the sphere.
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e. none of these
Mathematics
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Find the derivative of the function.s = t4 tan t
A. 4t3 sec2t B. t4 sec t tan t + 4t3tan t C. - t4 sec2t + 4t3tan t D. t4 sec2t + 4t3tan t
Mathematics
Find the exact value by using a half-number identity.tan 165°
A. -2 - 
B. 2 + 
C. 2 - 
D. -2 + 
Mathematics
Use the distance formula to find the distance between the points.(-7, -2), (7, -4)
A. 192
B. 10
C. 192
D. 16
Mathematics
Use Cramer's rule to solve the system. 2x - 2y = 2 2x + 2y = 30
A. {(-7, 8)} B. {(7, 8)} C. {(8, 7)} D. {(-8, -7)}
Mathematics