Use a=

r^2 (r represents your radius of 4 feet)

(4^2)
Answer = 16

^2
9m - (5m + 2)
9m - 5m = 4m
4m + 2 is your answer
hope this helps
Answer: Im sorry, can you finish your sentence for me? maybe its a glitch you can send me a message if you want me to help you?! (:
Step-by-step explanation:
16 candles. 14 multiplied by 8 equals 112. 112 divided by 7 equals 16.
2+2=4 and 4+4=8 and 8+8=16