Could someone answer these questions with simple yet explanatory answers?

Which of the following properties can be used to show

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

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t