A group of 7 students was asked, "How many hours did you watch television last week?" Here are their responses. 15, 6, 20, 17, 7, 17, 10
Find the mean number of hours for these students.
If necessary, round your answer to the nearest tenth.

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?

Which of the following will form the composite function?