(12+7x)(12-7x)
Because the square root of 144 is 12 and for 49 is 7
Answer: huh what do you mean
Step-by-step explanation:
Answer:
63
Step-by-step explanation:
the bigger shapes area is 54
the smaller shape coming off of it is 9
so then you add those to find the whole area of the shape
Answer: Option A.
Step-by-step explanation:
Based on the information given in the problem, you can draw the figure shown attached.
The area of rectangle can be calculated with the following formula:

Where <em>l</em> is the length and <em>w</em> is the width.
As you can see in the figure:
- The width is: 
-The length is: 
Therefore, you must multiply both expressions to obtain the area:

Add like terms:

Then, the function that represents the area of the cake is:
