Respuesta :

Answer:

C. Their slopes are equal.

Step-by-step explanation:

Given : If two lines are parallel.

To find  : which statement must be true.

Solution : We have given that If two lines are parallel.

We know that two parallel line have same slope

By rise over run :

Therefore, C. Their slopes are equal

Step-by-step explanation:

Answer:

Their slope is equal

Step-by-step explanation:

Their equal because they'll both be the same length, and I got it right