Use the method of disks or washers, or the method of cylindrical shells to find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the indicated axis. Sketch the region and a representative rectangle.
y = 4
, y = 8x – 4, y = 16; the y-axis
9?
Mathematics
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Find the distance d(A, B) between the points A and B.A(0, 0); B(4, 10)
A. 2
B. 
C. 116
D. 14
Mathematics
Solve the problem.Four boys and three girls are seated, in a row, at random, to watch a play. What is the probability thata) a girl is seated at each end of the row?b) one of the boys is seated in the middle seat?c) boys and girls are seated alternately?
A. a) 
b) 
c) 
B. a) 
b) 
c) 
C. a) 
b) 
c) 
D. a) 
b) 
c) 
Mathematics
Solve the problem.The length of a table is 12 inches more than its width. If the area of the table is 
inches, what is its length?
A. 70 in. B. 23 in. C. 35 in. D. 47 in.
Mathematics
Perform the conversion. Round to the nearest hundredth when necessary.24.2 m to ft
A. 79.38 ft B. 22.12 ft C. 7.38 ft D. 26.38 ft
Mathematics