Money in your savings account is money that you save, store or accumulate different circumstances such as emergency, future unpredictable costs and expenses. This serves as a security of funds for when you need it. A sense of security means you feel safe and therefore safety would best fit the definition. The answer is H.
75.4 12 would be considered the radius C = 2 pi R so just insert that into the formula and the answer should be 75.39 but if you round up it would be 75.4