Round 9.8847061465 to 2 decimal places

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares

Which representation has a constant of variation of -2.5

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.