Can someone tell me what numbers to put in the box’s pls give me the right answer

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

How to do this , and can some one explain

10% of 1,900,000. show me how you got the answer