The box plot shows the number of sit-ups done by students in hun class what is the range of the data

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter