How to find the missing value with (1, 3) and (4, 7) x=-2

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?

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?