It would basically be 15-9 and not a negative so those two lines turn it into the opposite
Answer:
The area of any rectangular place is or surface is its length multiplied by its width. For example, a garden shaped as a rectangle with a length of 10 yards and width of 3 yards has an area of 10 x 3 = 30 square yards. A rectangular bedroom with one wall being 15 feet long and the other being 12 feet long is simply 12 x 15 = 180 square feet.
Step-by-step explanation:
2a+8+6a=48
8a=40
a=5Hope this answer helps!