Teresa, rafael, and brian have a total of
$115 in their wallets. brian has 3
times what teresa has. rafael has $10
more than teresa. how much does each have?

Can (3,5 and square root 34) be sides on a right triangle?

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?

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?