Which is the better buy 6 bagels for $3.29 or 8 bagels for $4.15

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

What does the sign of the slope tell you about a line?

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*