Find the center and the radius of the sphere that has the given equation.
x²+y²+z²-2x+6y=0
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Mathematics
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Evaluate the integral.
A. 
(e - 1)2
B. 
(e - 1)2
C. 
(e2 - e)2
D. 
(e2 - e)2
Mathematics
Convert to logarithmic form.32 = 9
A. log 3 2 = 9 B. log 2 9 = 3 C. log 9 3 = 2 D. log 3 9 = 2
Mathematics
Multiply.0.01 × 0.06749
A. 0.006749 B. 6.749 C. 0.6749 D. 0.0006749
Mathematics
Solve the problem.The population growth of an animal species is described by F(t) = 500 + 30 log3 (2t + 1) where t is measured in months. Find the population of this species in an area 13 month(s) after the species is introduced.
A. 675 B. 590 C. 1310 D. 305
Mathematics