A class of 23 students are going on a trip through some beautiful woods with their teacher. They suddenly come upon a river that is too wide to cross by foot. Luckily, there is a canoe nearby! The canoe is able to carry four people in it, however, it requires an adult to steer. How many trips back and forth across the river would it take for the entire class to cross the river using the one canoe?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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?

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2