Mike and his friends bought cheese wafers for $2 per packet and chocolate wafers for $1 per packet at a carnival decent total of $25 to buy a total of 20 packets of waivers of the two sororities Part A- write a system of equations that can be sold to find the number of packets of cheese wafers and the number of packets of chocolate wafers that Mike and his friend bought at the carnival. define the variables used in the equations.

Part B- how many packets of chocolate waivers and cheese waivers did they buy? explain how you got the answer and why you selected a particular method to get the answer.

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.