John and Mei are selling cookie dough for a school fundraiser. Customers can buy packages of sugar cookie dough and packages of gingerbread cookie dough. John sold 7 packages of sugar cookie dough and 3 packages
of gingerbread cookie dough for a total of $106. Mei sold 7 packages of sugar cookie dough and 4 packages of
gingerbread cookie dough for a total of $118. Find the cost each of one package of sugar cookie dough and one
package of gingerbread bookie dough.

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?