John is a furniture maker. The graph shows the number of chairs John makes and the time it takes to make those chairs. Based on the graph, how many chairs can John make in 5 hours? A. 55
B. 50
C. 45
D. 40

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 given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)