Find the prime factorization of the number 40.
A) 3?3?7?7
B) 9?49
C) 27?7
D) 3?3?3?3
E) 3?3?3?7
E) 3?3?3?7
Mathematics
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Solve.Find the volume of the torus generated by revolving the circle (x - 2)2 + y2 = 1 about the y-axis.
A. 8?2 B. 6?2 C. 4?2 D. 2?2
Mathematics
Graph the pair of parametric equations with the aid of a graphing calculator.x = t - sin t, y = 1 - cos t, -4? ? t ? 4? 
A. 
B. 
C. 
D. 
Mathematics
True or false?If you score 60% on the midterm math exam and 70% on the final exam, your overall score will be greater than 65%. Assume that the final counts for 60% of the grade and that the midterm counts for 40% of the grade.
A. True B. False
Mathematics
Integrate the function.
A. 
csc4 x cot x + C
B. - 
csc4 x + C
C. - 
cot3 x + C
D. - 
csc3 x + C
Mathematics