Substitution 4x+y=-5 -2x-8y= -20

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

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

Select the quadratic that has root x = 8 and x = -5