Plzzz answer this will mark brain

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

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Solve this problem! extra ! 3025/5.5 = a/90.75