Przyjmij ,że odległość z Leszna do Kalisza wynosi 120 km. Kierowca pokonał ją w czasie t=1,5 h. W drodze powrotnej z Kalisza do Leszna jechał 30 minut dłużej. Oblicz różnicę między prędkościami średnimi z Leszna do Kalisza i z Kalisza do Leszna

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

What are the sotions to the quadratic equation 9x^2=4

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?