Answer:
a and b
Step-by-step explanation:
it is a point and a point is a zero demensional object.
1st box:
m<A + m<B + m<C = 180
2nd box:
substitution property
3rd box:
division property of equality
Hope it helps.
Answer:

Step-by-step explanation:
The given expression is : 
We need to simplify the above expression.
We know that, 
or

So, the simplified form of the given expression is
. Hence, the correct option is (A).
Answer: 7,-10,-2
Step-by-step explanation:
Answer:
the answer is 67.5
Step-by-step explanation:
look at the photo