Solve the problem.A solid right circular cylinder is bounded by the cylinder r = 1 and the planes z = 0 and z = 5. Find the moment of inertia about the z-axis if the density is ? = 3z.
A. 
?
B. 
?
C. 25?
D. 
?
Answer: B
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Solve the problem.Trina and Monica use a metal alloy that is 18% copper to make jewelry. How many ounces of a 13% alloy must be mixed with a 25% alloy to form 120 ounces of the desired alloy?
A. 72 oz B. 50 oz C. 55 oz D. 70 oz
Find the exact value under the given conditions.Given sin u = 
, with u in quadrant I, and cos v = 
, with v in quadrant I. Find cos (u + v).
A. 
B. - 
C. - 
D. 
Write an expression in terms of the given variable(s) that represents the indicated quantity.Mark has half as many stickers as Derek. If Derek has d stickers and Mark m stickers, and Derek gives Mark 
stickers, how many stickers does each have in terms of d?
A. Derek: 
+ 10; Mark: d - 10
B. Derek: d - 10; Mark: 
+ 10
C. Derek: 
- 10; Mark: d + 10
D. Derek: d + 10; Mark: 
- 10
Provide an appropriate response.Can the sum be simplified without first simplifying the individual radical expressions?3
- 5
A. No B. Yes