The negative numbers would be first, but instead of seeing if the number was smaller, you'd see if it was bigger, such as -4 is less than -3. Then the 0 would be added to the sequence, then the positive numbers, such as 2 is less than 5. An example would be -4, -3, 0, 2, 5
You need to include how wide the walls are. but once you find how wide the walls are (X) then multiply it by how tall a the walls are (8 feet) and you will get the area of one wall. Take that answer and multiply it by 3 then multiply that by how much the paint costs