What number should be added to complete the square of the expression?x2 - 
x
A. 
B. - 
C. 
D. - 
Answer: C
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Shade the regions representing the set.A ? (B ? C') 
A. 
B. 
C. 
D. 
Answer the question.Which of the following is not an argument against using blinding in an experiment?
A. The experiment involves animals, not people B. The experiment is done on plants, not people C. It would be impossible to conceal from the participants whether they are receiving the treatment or the placebo D. The participants in the experiment don't believe in the placebo effect
Complete the table and use it to calculate the indicated relative frequency. Round your answer to three decimal places if necessary.The following table displays the age, in years, and sex for the residents of a retirement home.Age (years)?60-69 70-79 Over 79Total Male3? 105? Female17?1?4? Total????What is the relative frequency for males?
A. 0.4 B. 0.7 C. 0.9 D. 0.45
Find the payment necessary to amortize the loan. Round to the nearest cent.$6,500, 9% compounded monthly,24 monthly payments
A. $26.55 B. $286.11 C. $296.95 D. $308.74