List all numbers from the given set B that are members of the given Real Number subset.B = {4, 
, -21, 0, 0.
, 
} Whole numbers
A. 4, 0
B. 4, -21, 0
C. 4, 0, 
D. 4, -21, 0, 
Answer: C
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Divide. Express the quotient in lowest terms.
÷ 
A. 16
B. 
C. 
D. 
Complete the magic (addition) square.Use each number 10, 11, 12, 13, 14, 15, 16, 17, and 18 once.
A. 
B. 
C. 
D. 
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 the problem.The length and width of a rectangle have a sum of 70. What dimensions give the maximum area?
A. Length 25 and width 45 B. Length 26 and width 44 C. Length 35 and width 35 D. Length 34 and width 36