While doing back to school shopping on tax-free weekend, mrs. michaels bought 2 packs of mechanical pencils and 3 binders for a total cost of $21.00. mr. lawrence bought 5 of the same packs of mechanical pencils and 2 of the same binders for a total of $25.00. how much does each pack of pencils cost? *

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?

The reflexive property of congruence lets you say that ∠pqr ≅

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?