Simplify.
A. 45x(x + 6)
B. 
C. 
D. 
Answer: D
Mathematics
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 3x, y = 6x, x = 3
A. 54?
B. 27?
C. 18?
D. 
?
Mathematics
Find the area of the shaded region. y = sec2 x
A. 
B. 2 - 
C. 1 - 
D. 1 + 
Mathematics
State whether the following involves permutations or combinations. It is not necessary to solve the problem.One hundred people purchase lottery tickets. Three winning tickets will be selected at random. If first prize is $100, second prize is $50, and third prize is $25, in how many different ways can the prizes be awarded?
A. Permutation B. Combination
Mathematics
Add or subtract. Express the answer as a mixed number.17
- 9
A. 7
B. 6
C. 8
D. 7
Mathematics