Answer:
21
Step-by-step explanation:
since its a rectangle there are two lengths of six. If you add them together you get 12. subtract the total perimeter of 54 by the 12 and get 42. Since there is 2 sides left divide by 2. You should get 21 for the width of the rectangle
Answer:
11
Step-by-step explanation:
ez
Answer : 12312
Step-by-step explanation : According to BODMAS, Addition (+) comes first
Hence -- 9 + 19 + 12 + 12323 = 12363
12363 - 12 - 39 = 12363 - 51
= 12312