Solve the problem.The region between the curve y = 
and the x-axis from 
to 
is revolved about the y-axis to generate a solid. Find the volume of the solid.
A. 4? ln 4
B. ? ln 4 - ?
C. 2? ln 4 - ?
D. 2? ln 4
Answer: A
Mathematics
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Determine the ratio and write it in lowest terms.21 inches to 9 inches
A. 
B. 
C. 
D. 
Mathematics
The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
Using Kruskal's algorithm, which edge should we choose first?
A. EA B. BC C. ED D. AC E. none of these
Mathematics
Perform the operation by applying the standard order of operations for a series of calculations.240 ÷ 5 - 2
A. 46 B. 233 C. 80 D. 237
Mathematics
Find the area of the isosceles trapezoid shown below. Round your answer to the nearest hundredth.
Mathematics