21) If a dozen eggs cost $1.16 in 1995, approximately how much would they have cost in 2005, based on the change in the CPI-U?
(a) $0.55
(b) $1.00
(c) $1.55
(d) $2.55
(e) $3.00

Which equation can be simplified to find the inverse of y = 2x2?

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

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?