Solve the formula for the specified variable.A = P(1 + nr) for r
A. r = 
B. r = 
C. r = 
D. r = 
Answer: B
Mathematics
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Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis.About the x-axisy = 5x = 5
A. 
?
B. 125?
C. 
?
D. 
?
Mathematics
Solve the problem by integration.Find the volume generated by revolving the first-quadrant area bounded by 
and 
about the 
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve using Cramer's rule.-3x + 7z = 9-4x + 4y + 5z = 35 5x - 8y = -52
A. (9, 3, 9) B. (4, -9, -3) C. (5, 7, 3) D. (4, 9, 3)
Mathematics
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = 7x8 + 3x6 + 2x4 + 5x2 + 2
A. 
B. 
C. 
D. 
Mathematics