Can someone plz help? I do not understand

Nikolas calculated the volume of the prism. his work is shown below.

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]