Answer the question.In how many ways can you answer the questions on an exam that consists of 6 true-false questions?
A. 64
B. 184
C. 0
D. 144
Answer: A
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Karen and Wayne need to buy a refrigerator because theirs just broke. Unfortunately, their savings account is depleted, and they will need to borrow money in order to buy a new one. Sears offers them an installment loan at 15% (add-on rate). If the refrigerator at Sears costs $1,500 plus 5% sales tax, and Karen and Wayne plan to pay for the refrigerator for 2 years, what is the monthly payment? ?
A. $72.34 B. $76.78 C. $85.31 D. $93.84 E. $81.25
Determine whether the system corresponding to the given augmented matrix is consistent or inconsistent. If it is consistent, give the solution.
A. consistent; z = -3; (-9) B. consistent; x = 0, y = 0; (0, 0) C. consistent; x = 0, y = -3; (0, -3) D. inconsistent
Solve the equation by making an appropriate substitution.x4 - 31x2 + 150 = 0
A. {-5, 5, -i
, i
}
B. {25, 6}
C. {-5, 5, -
, 
}
D. {5, 
}
Fill in the blank with one of the words listed below.
The 
of 2 + 3i is 2 - 3i
A. quadratic B. conjugate C. vertex D. square root