Let'sSo, we gave 2 parallel lines and 2 transversals, we have to match the angles.
Let's start with angle b,

Let's move on to angle e,

Let's move on to angle d,

Moving to angle c, we have;

And, angle a;
The answer would be 15 but i am not sure what the problem says her answer is. if it is not 15 then her answer is wrong
Answer:
Add 4t and 10t
14t
Step-by-step explanation:
When you have the same variable you simply can add them together.
Hope this helps :)