Zoom math it zoom 997 4052 8963 psw A7H7qJ

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

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

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