Determine whether the expression 6x^5-2x^4 is a polynomial. Step by step please and thank you

Plz, ! the box plot below shows the total amount of time, in minutes, the students of a class surf the internet every day: a box plot is shown.part a: list two pieces of information that are provided by the graph and one piece of information that is not provided by the graph. (4 points) part b: calculate the interquartile range of the data, and explain in a sentence or two what it represents. (4 points) part c: explain what affect, if any, there will be if an outlier is present. (2 points)

What is the missing constant term in the perfect square that starts with x^2 -20x

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?