Precal ? (20 points) look in images attached : ))

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)

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Evaluate the expression for the given value of the variable 7a - 4a for a =8