7. Your savings account has a balance of $2513.45. You opened the account 3 years ago. Interest on the account is compounded weekly at an annual interest rate of 4.35%. How
much did you invest originally?

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

Simplify using positive exponents only.