Find the number of proper subsets of the set.{car, boat, truck, train}
A. 16
B. 15
C. 14
D. 8
Answer: B
Mathematics
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Solve.
n = 14
A. 18 B. 19 C. 70 D. 2
Mathematics
Find the volume of the solid of revolution obtained by revolving the region bounded by the graphs of the given functions about the x-axis.
?
and 
What will be an ideal response?
Mathematics
A cement mixture calls for 9 pounds of cement for 3 gallons of water. What is the ratio of cement to water? ? __________ to 1
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem.The area of the rectangle shown is 35 in.2. Find the length and the width of the rectangle. 2x + 5 
A. length: 15 in.; width 1 in. B. length: 5 in.; width 7 in. C. length: 17.5 in.; width 17.5 in. D. length: 6 in.; width 6 in.
Mathematics