Help, please! I'm confused and don't understand the question/what to do.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

What is the upper quartile in the box plot?

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?