Answer:
B. 15"
Step-by-step explanation:

Answer:
300 sq. cm.
Step-by-step explanation:
Do you need the explanation? If so, I can make one for you. You see, my hand is hurt, and it pains me to type.
1. 1456 (1/2 • 13 • 16 • 14)
2. 252 (18 • 14)
3. 1456 (same answer as the first)
Answer
A) C=5+2d
Step-by-step-explanation