C(-2,4) and D(-6,-1) what is length of CD

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

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm

2,10,-50 next two numbers geometric sequence