can someone pls help with these two questions. there also a question attached to number 11. If you could kindly help plss im rlly stuck.

Question 10 (3 points) How much interest would Mrs. Shaw save over the life of the mortgage if she made accelerated bi-weekly payments of $600.00? -math 1 P Question 11 (3 points) Karen would like to save some money each month so that she can retire at age 55. Her money earns an interest rate of 6.5% /a, compounded monthly. How much money does Karen need to deposit each month to accumulate $1 000 000 by age 55 if she starts saving when she is 25 years old? -math A Question 12 (3 points) What would Karen's monthly deposits be if she didn't start saving until age 35? -math