Use a spherical coordinate integral to find the volume of the given solid.The solid bounded below by the hemisphere 
and above by the cardioid of revolution 
A. 
?
B. 
?
C. 
?
D. 
?
Answer: B
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Find the vertices and the foci of the given ellipse.
+ 
= 1
A. V: (-25, 0), (25, 0); F: (-20, 0), (20, 0) B. V: (0, -25), (0, 25); F: (0, -20), (0, 20) C. V: (0, -25), (0, 25); F: (0, -15), (0, 15) D. V: (-25, 0), (25, 0); F: (-15, 0), (15, 0)
Solve the problem. Use 3.14 for ?.A wicker basket has a circular rim with a diameter of 7 inches. How many inches of ribbon are needed to go once around the rim? Round results to the nearest tenth of a unit.
A. 44.0 in. B. 20.0 in. C. 49.0 in. D. 22.0 in.
Solve. Write a mixed numeral for the answer.The population of the country where Ken lives is 1
times the population of the country where he was born. The population of the country where he lives is approximately 48,000,000. What is the approximate population of the country where he was born?
A. 28,500,000 B. 31,000,000 C. 29,000,000 D. 30,000,000
Write the sentence as an equation. Use x to represent "a number."A number added to -14 equals -28.
A. x - 28 = -14 B. x = -14 + 28 C. -14 - 28 = x D. -14 + x = -28