Find the perimeter of a rectangle that is 20 centimeters long and 6 centimeters wide.
A. 57 cm
B. 54 cm
C. 47 cm
D. 52 cm
E. 49 cm
Answer: D
Mathematics
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Evaluate the improper integral.
A. 
(1 - ln 2)
B. 
(1 - ln 2)
C. 
(1 - ln 2)
D. 
(1 - ln 2)
Mathematics
Find the moment or center of mass of the wire, as indicated.Find the moment about the x-axis of a wire of constant density that lies along the curve y = 
from 
to 
A. 
B. 
C. 
D. 
Mathematics
Find the derivative of the function.f(x) = (3x + 4)2
A. 6x + 8 B. 18x + 24 C. 9x + 16 D. 9x + 12
Mathematics
Solve the inequality. Graph the solution set and write it in interval notation.34 - (5x + 3) ? 5(x - 1) + 2x
A. [3, ?) 
B. 
C. (-?, 3]
D. 
Mathematics