Alana wants to calculate the cost for a membership, including the one-time fee and possible lengths of time she may use it. She found a coupon for 10% off the total cost. Alana wrote the expression below to find the new amount with the discount, where m represents the number of months. Select the part of Alana's expression that has a mistake.

Mr. roseanne will buy 12 1/2 pounds beef for for a cookout. the price for the first 3 pounds of beef is $4.99 per pound. after that, the price is $4.49 per pound. how much will mr.roshan pay for the beef

Abottled water distributor wants to estimate the amount of water contained in 1-gallon bottles purchased from a nationally known water bottling company. the water bottling company’s specifications state that the standard deviation of the amount of water is equal to 0.02 gallon. a random sample of 50 bottles is selected, and the sample mean amount of water per 1-gallon bottle is 0.995 gallon a. construct a 99% confidence interval estimate for the popula-tion mean amount of water included in a 1-gallon bottle. b. on the basis of these results, do you think that the distributor has a right to complain to the water bottling company? why? c. must you assume that the population amount of water per bottle is normally distributed here? explain. d. construct a 95% confidence interval estimate. how does this change your answer to (b)?

The smaller triangle is a pre-image of the bigger triangle. the center of dilation is (1, −1). what is the scale factor used to create the dilation?