Find the missing side length on the right triangle shown. Round to the nearest tenth, if necessary

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

Which table represents a linear function? i'll give brainliest to first answer ^'^

Someone me! if you’re smart you can solve this!