Four pears and one apple cost $2.00. Three pears and four apples cost $1.56. Find what one apple costs and what one pear costs?

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?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer