In exercises 4-6, K, M, and Bare points of tangency. Find the value of x. is the one I'm on but I need answers for all the ones shown​

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 of the following contains a variable?

How many grams the dog will eat in 3 days?