<span>m*m+m*7+3*m+3*7
Answer= </span>m^2+10m+21
I can't answer cause u didn't show the angles
The equation is a scientific law, Newton's Law of Gravity,

This is a pretty bad question. Newton's Law of Gravity is a mathematical model of gravitation, originally a theory, verified by observation, and now superseded by the General Theory of Relativity.
C is probably the best answer to this poor question.
Answer:
Personal experiences.
Explanation:
This is because an individual learn from his/hers interactions and actions within a scenario where he/she can achieve growth.