Answer:
Yes, because if you substitute 10 for r in the equation and simplify, you find that the equation is true.
Step-by-step explanation:

Answer:
The answer is 180°
Step-by-step explanation:
Replace the variables in with your angle measurements and add them up. Triangles should end up with a 180° all combined.
Answer:
the transfer of energy from one organism to another
Step-by-step explanation: