Question

what is a variable? something that change what is an object? your answer this is a required question what does it mean to say that an object is deforming? your answer what three videos helped us understand that an object is deforming? what is a line of best fit and what does it help us to make? *

Explanation:

A variable is a symbol representing a value that can change. An object is a physical entity or thing. When an object is deforming, its shape or size is changing. Without knowledge of the specific videos, can't answer that part. A line of best - fit is a straight line that best represents the relationship between two variables in a scatter - plot, and it helps in making predictions.

Answer:

What is a variable? - A symbol representing a changing value.
What is an object? - A physical entity or thing.
What does it mean to say that an object is deforming? - Its shape or size is changing.
What three videos helped us understand that an object is deforming? - No answer (lack of information).
What is a line of best fit and what does it help us to make? - A straight line representing variable relationship, helps in making predictions.