Use multiplication and the distributive property to find the quotient 85 divide 5

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11