All points to the of zero on a horizontal number line are negative. true or false

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

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?

An object in geometry with no width, length or height is a(n):