Double question
brian has $24 worth of pizzas delivered to his house for a $3 delivery fee. he pays 7% sales tax and 15% tip, which are both calculated on the total price before the delivery fee. how much change does he receive, in dollars, if he pays with two $20 bills?
two customers buy the same couch, but live in different states. the table shows the couch pricing information. what is the difference in percent, between the sales tax in new jersey and the sales tax in new york?
new york: pricing before tax: $2,500
pricing after tax: $2,600
new jersey: pricing before tax: $2,000 pricing after tax: $2,140

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.