Tommy and Dennis went fishing. Dennis caught 5 more fish than Tommy. If they caught a total of 15 fish, how many fish did each of them catch. Hint: let x = the number of fish Tommy caught.
Please help with this I don't know where to start..

Dee used 2 1/3 cups of sugar for a cake recipe. if the amount of sugar the container holds is 3 times the amount she used, does the container hold more than, less than, or equal to 3 cups of sugar? explain.

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?

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9