Determine whether the inverse of F(x) is a function

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

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

What is the slope of the line shown below?