State the phrase as a mathematical expression. Use x to represent the variable.312 divided by a number
A. 312x
B. 312 - x
C. 312 + x
D. 
Answer: D
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Find the interval(s) for b such that the following equation has at least one real solution
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.
?
A. 
B. 
C. 
D. 
E. 
Answer the question.How would you find the empirical probability of getting a red card, if you are choosing a card from an ordinary deck of 52 cards?
A. Choose a card from a deck of 52 cards 52 times and then find the relative frequency of red cards. This would be done by dividing the number of times a red card has occurred by 52. B. Choose a card from a deck of 52 cards 2 times and then find the relative frequency of red cards. This would be done by dividing the number of times a red card has occurred by 2. C. Choose a card from a deck of 52 cards many times and then find the relative frequency of red cards. This would be done by dividing the number of times a red card has occurred by the total number of times a card was chosen. D. The empirical probability cannot be determined.
Solve by the substitution method.x + 6y = -62x + 7y = -12
A. {(-6, 0)} B. {(6, -1)} C. {(x, y)|x + 6y = -6} D. ?
Identify the fraction as proper or improper.
A. proper B. improper