Answer:
16/15
Step-by-step explanation:

The two minus signs cancel, so the result is positive.
5-4*9= 9
just use the properties
Answer:
Alternate Interior Angles
Step-by-step explanation:
You can see that the angles are on alternate sides of line segment CE.
They are also interior, or inside lines BC, and ED
This makes them Alternate Interior Angles
-Chetan K