PLEASE A(x) = x^2 -9 / x^2-6x+9

B(x) = x^2+3x+2 / x^2+x-2

C(x) = x^5 - x^3 / 2x^3+4x^2-6x

D(x) = x^4-4x^3+4x^2 / 4x^3+16x^2

Could answer every question with steps

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

How do i put 3(x+7) in distributive property