Answer:
78
Step-by-step explanation:
102+x=180
x=180-102
x=78
Answer:

Step-by-step explanation:
We know that
, because
.
Now, angle 15° or 195° is not an important angle which can be solve by a given table like 30°, 45° or 60°. This means we have to use the calculator to find the more exact value, which is

Answer:
err B? since it's the cheapest. usually with unit rate prices there should be a quantity but since there isn't just choose the lowest price
Answer:
A : 80
Step-by-step explanation: