Hello, please help me with this question, thank you very much. :)

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

Match each function with its rate of growth or decay

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?