Which expression is a way to represent the ratio of a to b? b:a

b to a

a/b

b/a

Factor the polynomial. b^2 + 4b + 4

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room