The answer to this question is c=3
Answer:

Step-by-step explanation:





Answer: 54 square feet
Step-by-step explanation:
To find perimeter of a rectangle we must use the formula l+l+w+w=p where l and w represent width and length
Since we know length and width is x=12 just substitute so
15+15+12+12=54 so 54 is the perimeter
You can cross out c and d I think its B but im not positive