Sudi and tasha are eating pancakes. if they can eat one pancake in 3 minutes, how long will it take the two of them to eat 10 pancakes

What is the size of the matrix resulting from

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

Explain how you do each step what term makes it inconsistent y=2x - 4 ?