The formula for that is times 3 +1 so 13 times 3+1 equals 40
As the picture tells you, the area of a 6 cm square is (6 cm)×(6 cm) = 36 cm². You are to enter the value 36 in the box.
The answer to the question is: y=-47
Its super easy all u have to do is go on tiger math and the first link will take you to it and u put in the question and it will give you a step by step how to do it and it will give you the answer