Explain what "mixed operations" means and how it affects your ability to analyze number patterns.

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

Find the missing dimension extra points

I’m really confused and need your assist me with this question i’ve never been taught