Solve the problem.Two rectangles are similar. The length of one rectangle is three times that of the other. How many times larger is the area of the larger rectangle?
A. 9
B. 6
C. 3
D. 12
E. none of these
Answer: A
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Find the area of the surface generated when the given curve is revolved about the x-axis. y = 
on 
A. 
B. 
(19
- 7
)
C. 
(21
- 
)
D. 
Determine if the function is even, odd, or neither.f(x) = 3x2 + 2
A. Odd B. Neither C. Even
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. An insurance company is willing to insure the concert for $150,000 against rain for a premium of $30,000. If he buys this policy, what are his expected earnings from the concert?
A. $180,000 B. $300,000 C. $270,000 D. $239,400
Solve.In a survey of 100 people, 29 preferred butterscotch syrup on their ice cream. What percent preferred butterscotch syrup?
A. 29%
B. 71%
C. 
%
D. 
%