For this case we have the following expression:

The terms are not similar, so they cannot be added.
<em>Examples of similar terms:</em>

Then, the expression given can only be rewritten as:

This is taking common factor 2 to both terms.
Answer:

It’s 140 degrees. The angles are congruent from their pair.
Answer:
0.1056
Step-by-step explanation:
okay so using a table of standard normal probabilities:
1.) look for 1.2 on the left column and .05 (which will give you .8944)
2.) this will give you the area before it so do
1- 0.8944
3.) You have your answer!