need help with first question! and need help with the red ones

Brief Exercise 8-7 Compute interest and find the maturity date for the following notes. (Round answers to 0 decimal places, e.g. 825) Interest Rate (%) 5% 9% 10% Date of Note Principal (a) June 10$%79,610 $50,400 (c) April 27$12,770 Terms 60 days 90 days 75 days (b)July 14 Interest Maturity Date (a) $ August 9 (b) $ October 124 (c) $ July 11 SHOW LIST OF ACCOUNTS INTERACTIVE TUTORIAL LINK TO TEXT