Asap. will mark ! need by today its due

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

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

Find the area of an equilateral triangle with a side of 6 inches