Answer:
80% (you divide 4 by 5 to get 0.8, then you move the decimal 2 spaces to the right
Because the two angles on the right add to 180 degrees, we can create this system:

We can also prove that

, which, when solved, shows that

.
When plugged in to the original equation, we find that y = 105 degrees.
You were right, its the second choice CA=CB+BA
Answer:
119
Step-by-step explanation:
Answer:
a
Step-by-step explanation: