15- PLS help on this pre-algebra problem it's urgent

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'