Solve the problem. Write the answer in lowest terms.Mrs. Montoya installed 
-inch roofing shingles on top of a 
-inch vapor barrier. What was the combined thickness of the two materials?
A. 
inch
B. 
inch
C. 
inch
D. 
inch
Answer: D
Mathematics
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Solve the problem by integration.Find the volume generated by revolving the first-quadrant area bounded by 
and 
about the 
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve the problem.Find the center of mass of the hemisphere of constant density bounded 
and the 
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 
D. 
= 0, 
= 0, 
= 1
Mathematics
Solve the double inequality.-28 ? -4c + 4 < -4
A. 2 ? c < 8 B. 2 < c ? 8 C. -8 < c ? -2 D. -8 ? c < -2
Mathematics
Provide an appropriate response.The table shows the number of pupils per teacher in selected counties in a certain state. 
Which counties have a figure greater than 16.7?
A. Addison, Cumberland, Kendall B. Addison, Branson, Dixson, Hendricks, Putnum C. Cumberland, Kendall D. Kendall
Mathematics