Algrabraic Written expression a number less than 15

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

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg