Please help me im running on a clock

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)

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)