Jeffery runs at an average speed of 8 mph, and he bikes at an average speed of 14 mph. Yesterday, Jeffery ran for x hours. How far did he run? WHOEVER ANSWERS FIRST AND CCOREECTLY WILL BE MARKED BRAINLIEST>>>>>>

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m

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?