What is [35-(8+2)x3) I’m trying to help my cousin with his homework

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

Solutions for 2x+7 less than or equal to 3x-5

Give me the equations of two lines that have the same slope but are not parallel.