THIS IS MY LAST QUESTION I THINK !??

Which of the following of the following sets of side lengths could not form a triangle?

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

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