How do I know God exists

What does charged off as bad debt canceled by credit grantor mean?

Which of the following is a polynomial with roots 3,5i, and -5if(x)=x^3-3x^2+25x-75f(x)=x^3-3x^2+15x-25f(x)=x^3-15x^2+25x-75f(x)=x^3-3x^2+15x-75

Vehicle #1 skidded 50 ft before impact with a drag factor of 0.80, how far from impact was vehicle #1 when vehicle #2 first began to accelerate from being stopped?