Determine if the sequence is arithmetic, geometric, or neither. If arithmetic or geometric, determine the first term and the common difference or common ratio.
A. Geometric; a = 4, d = 
B. Arithmetic; a = 
, d = 4
C. Geometric; a = 
, r = 4
D. neither arithmetic nor geometric
Answer: D
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There are 100 children in the kindergarten. What is the percent of girls, if we know that there are 51 girls there? ?
A. 51% B. 0.51% C. 49% D. 0.49% E. none of these
Find the volume of the solid generated by revolving the region about the given line.The region in the second quadrant bounded above by the curve y = 16 - x2, below by the x-axis, and on the right by the y-axis, about the line x = 1
A. 
?
B. 
?
C. 
?
D. 128?
Solve the problem.The cost C, in dollars, of having a dinner party catered by Elaine's Kosher Catering Company can be approximated by the function 
where n is the number of people attending the party. The banquet hall where the dinner will be located can hold no more than 150 people. Find the domain of the function.
A. [7, 55] B. (-?, 150] C. [0, 150] D. (-?, ?)
Which of the first three prime numbers - 2, 3 and 5 - are factors of the following?2886
A. 3, 5 B. 2, 3 C. 2, 3, 5 D. 3