Which of these systems of linear equations has an infinite number of solutions? 3 x minus 8 y = 21. 6 x minus 16 y = 46. 3 x + 6 y = 22. 6 x + 12 y = 44. 5 x + 7 y = 24. 10 x minus 14 y = 48. 5 x minus 9 y = 20. 10 x + 18 y = 40.

Consider the function y = f(x)=3^x the values of f(1/2) and f(1/4). rounded to the nearest hundredth, are__and__ respectively

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

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.