If the radius of a semi circle was 135cm squared what would the circumference be? Please round to the nearest centimetre to make it easier for me. I will give brainliest.

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 quadric regression equation that fits these data

Don't know how to find x given these segment lengths