Please help me solve this

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75