Jack and jill are 20 m apart. jack sees the top of the building at 30 degrees and jill sees the top of the building at 40degrees. what is the height of building?

Me answer number 3plz explain how you do it

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)

Aportion of a line bounded by two points is defined as