please help i am having a lot of trouble with these problems, help is greatly appreciated and i will rate, thanks

[sorry i posted two questions, this was my last chegg question]

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MY NOTES 6. [0/1.42 Points] DETAILS PREVIOUS ANSWERS 2/6 Submissions Used New parents wish to save for their newborn's education and wish to have $37,000 at the end of 16 years. How much should the parents place at the end of each year into a savings account that earns an annual rate of 6.8% compounded annually? (Round your answers to two decimal places) How much interest would they cam over the le of the account? $ Determine the value of the fund after 10 years Submit Answer MY NOTES 7. (-/1.48 Points) DETAILS 0/6 Submissions Used A corporation creates a sinking fund in order to have $500,000 to replace some machinery in 10 years. How much should be placed in this account at the end of each week if the annual interest rate is 4.6 compounded weekly? (Round your answers to the nearest cent.) $ How much interest would they earn over the life of the account? . Determine the value of the fund her 2, 4, and 6 years, 2 years 4 years 6 years [O/1.42 Points) DETAILS PREVIOUS ANSWERS 2/6 Submissions Used MY NOTES New parents wish to save for their newhor's education and wish to have $37,000 at the end of 16 years. How much should the parents place at the end of each year into a savings account that earns an annual rate of 6.8% compounded annually? (Round your answers to two decimal places.) $ X How much interest would they cam over the life of the account? $ Determine the value of the fund after 10 years. X Submit A corporation creates a sining and in order to have $50,000 to replace some machinery in 10 years. How much should be placed in this account at the end of each week if the annual interest rate is 4.6% compounded weekly Round your answers to the nearest cont.) How much interest would they can over the life of the account? $ Determine the value of the fund te 2, 4, and 6 years 2 years 4 years 6 years