What does n + 4 - 9 - 5n equal

List the 10 possible samples (without replacement) of size 3 3 that can be obtained from the population of five officials.

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

Solve the equation x/4 - 5= -8 -27 -12 -7 12