Answer:
1. DF (option 3)
2. segment addition postulate
3. segment congruence postulate
4. DF (option 5)
Answer:
-10 because you do parenthesis first
Answer:
=
Step-by-step explanation:
Answer:
Simplify the expression: 
Use the exponent power:

Apply the given rules;

Simplify:

then;

Therefore, the simplified expression of
is, 
Answer:
use this
Step-by-step explanation:
velocity = distance / time…. So distance = velocity x time