Brent and lance leave a park on bicycles traveling at constant rates in opposite directions. after 2.5 hours, they are 85 miles apart. if lance bikes 2 mph faster then brent, how fast is lance biking?

43lbs of tomatos cost $387. how much would 41lbs cost

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?

3.4a=57.8 what is the the value of a