GIVING THE BRAINLIEST FOR THE FIRST TO ANSWER PLEASE HELP ASAP Year 10 mathematics students were invited to enter the "Have Sum Fun Mathematics" competition. Fourteen of them participated and the results are displayed below.
What is the mean mark of all fourteen students?

For each proportion find the unknown number x 1/5/8=×/15

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 table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9