The cube of thr diffrence of a number and 9

15 point ! ~ see if you know the answer to both you!

What is the length of the unknown leg in the right triangle ?

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