Find 5 rational numbers between -3 and -2, -2 and -1 plspls

Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81

The constant of proportionality is always the where k is the constant of proportionality. additionally, you can find the constant of proportionality by finding the ratio for any point onasap

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?