A welder has a large pan that has the shape of a hemisphere that is used for scrap metal pieces. If the radius of this pan is 7.00 in., what is the volume?
A. 404 in. 3
B. 720 in. 3
C. 1,440 in. 3
D. 1,550 in. 3
E. 680 in. 3
Answer: B
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Determine if the sequence is monotonic and if it is bounded.an = 
A. decreasing; unbounded B. nondecreasing; bounded C. nondecreasing; unbounded D. not monotonic; unbounded
Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.The heights of a group of professional basketball players are summarized in the frequency distribution below. Find the standard deviation. Round your answer to one decimal place. 
A. 2.9 B. 3.2 C. 3.3 D. 2.8
Use an Euler diagram to determine whether the argument is valid or invalid.All dogs are animals.
Therefore, some dogs are pets.
A. valid B. invalid
Solve the problem.Draw a triangle so that tan 
= u. The hypotenuse of the triangle with have length 
. Use the illustration and the double angle formulas to write sin ? and cos ? in terms of u. 
What will be an ideal response?