List all the elements of B that are elements of the given set.B = {18, 
, -12, 0, 
, 
} Integers
A. 18, -12, 0
B. 18, -12, 0, 
, 
C. 18, 0
D. 18, 0, 
Answer: B
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Write the set in set-builder notation.{2, 4, 6, 8}
A. {x | x is an even natural number less than 10} B. {x | x is any even natural number} C. {x | x is any even integer less than 10} D. {2, 4, 6, 8}
Write interval notation for the graph.
A. [-5, ?) B. (-?, -5) C. (-?, -5] D. (-5, ?)
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. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400
Solve the equation in part (a) graphically, expressing the solution to the nearest hundredth. Then, use the graph to solve the associated inequalities in parts (b) and (c), expressing endpoints to the nearest hundredth.(a) 
= 0; (b) 
> 0; (c) 
< 0
A. (a) {-1.32, 1.32} (b) (2.45, ?) ? (-1.32, 1.32) ? (-?, -2.45) 
B. (a) {-1.32, 1.32} (b) (1.25, ?) ? (-?, 1.25) (c) (-1.25, 1.25)
C. (a) {-1.32, 1.32} (b) (1.32, ?) ? (-?, -1.32) (c) (-1.32, 1.32)
D. (a) {-1.32, 1.32} (b) (-2.45, -1.32) ? (1.32, 2.45) 