Remove the brackets using the distributive law for the following: -9(a + 4)

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

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Explain how you can use the associative property to evaluate (7x50)x4.