Im currently doing corrections for my math tests, and im having trouble with the box and whisker plot The ordered data set has been made into a box and whisker plot to the right 2, 3, W, 7, X, 8, Y, 12, Z Find the following values

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

3x = 729 solve for x plz . it's urgent. will mark