An electronic sign that showed the speed of motorists was installed on a road. the line plots below show the speeds of some motorists before and after the sign was installed. based on these data, which statement is true about the speeds of motorists after the sign was installed

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

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.

Consider the following function. which of the following graphs corresponds to the given function? w. x. y. z. a. z b. y c. x d.