The picture is a rectangle with dimensions of 10inches by 8inches. What is the length of the diagonal of the picture frame round to your nearest tenth if necessary

I’m stuck on this i don’t understand.

4. find the geometric mean of 4 and 12. 24 8

The frequency table shows a set of data collected by a doctor for adult patients who were diagnosed with a strain of influenza. patients with influenza age range number of sick patients 25 to 29 30 to 34 35 to 39 40 to 45 which dot plot could represent the same data as the frequency table? patients with flu