Simplify the expression by using the order of operations.
A. 3
B. 8
C. 2
D. 4
Answer: A
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?Which of the following concepts is not related to finding the missing output? ?? InputOutput -13 023 ?
A. ?Finding the slope B. ?Finding the equation of the line. C. ?Rise over run. D. ?Plotting points given. E. ?None of the above.
Solve the problem.Scores on a test are approximately normally distributed with a mean of 70 and a standard deviation of 9. The teacher wants to give A's to the top 10% of students. What is the bottom cutoff for an A grade? Round your answer to the nearest whole number.
A. 80 B. 90 C. 79 D. 82
Find the expected value.In a large casino, the house wins on one of its games with a probability of 50,600%. All bets are 1 : 1 . If you win, you gain the amount you bet; if you lose, you lose the amount you bet.If patrons bet a total of $400,000 on this game in one evening, how much should the casino expect to earn?
A. $202,200,000 B. $404,400,000 C. $202,400,000 D. $485,280,000
Solve the equation for all complex solutions, giving exact forms in your solution set.x3 + 4x2 - 5x - 20 = 0
A. {-4, -5, 5}
B. {-4, -
, 
}
C. {-
, -5}
D. {-
, -
}