6t-6, for t=6
can u me slove this problem

Can someone me with my hwplz(only the circled ones)

What are “like terms”? why can we only add like terms?

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?