Solve the problem.Find the center of mass of the region of constant density bounded from above by the sphere 
and from below by the cone 
A. 
= 0, 
= 0, 
= 
(2 + 
)
B. 
= 0, 
= 0, 
= 
(2 + 
)
C. 
= 0, 
= 0, 
= 
(2 + 
)
D. 
= 0, 
= 0, 
= 
(2 + 
)
Answer: B
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The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
During which two hour period did the temperature increase the most?
A. 9 a.m. to 11 a.m. B. 12 p.m. to 2 p.m. C. 10 a.m. to 12 p.m. D. 10 a.m. to 11 a.m.
Write the first four elements of the sequence.
A. 0, 
, 
, 
B. 
, 
, 
, 
C. 0, 
, 
, 
D. ln 2, 
, 
, 
Write the Hindu-Arabic numeral as an Ionic Greek numeral using the table below.
125
A. ??? B. ??? C. ??? D. ???
A service club wants to publish a directory of its members. An investigation shows that the cost of typesetting and photography will be $800.00, and the cost of printing each directory will be $1.75. Find the mean cost per directory if 400 directories are printed. ? Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).