Find the elementary row operation that transforms the first matrix into
second and reverse row operation that transforms the second matrix
into first
[1 3 −1 5
0 1 −4 2
0 2 −5 −1],

[1 3 −1 5
0 1 −4 2
0 0 3 −5]

Find two rational expressions that have the difference of 2-n/n-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

Which graph represents the same relation is the sa which graph represents the same relation as the set {(-3-2)}