The factors of the number 81 are 1, 3, 9, 27, and 81. Choose the factor pairs of the number 81.

a) 1×81
b) 3×27
c) 9×27
d) 9×9

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re