Which postulate or theorem can be used to prove that ∆ABC≈= ∆DCB

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?

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Find the area of an equilateral triangle with a side of 6 inches