Help please how do I answer this what do I put in the blank help it’s a quiz

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

Write the function for the graph. (1.8) (0,4)

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be