Can someone please help me with this question

Write a corresponding real world problem to represent 2x - 125=400

In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba.

The graph of g(x) is a translation of y = which equation represents g(x)?