please help with 7,8,9

Using the EAR &yt: [1 + (quoted rate/m)] -1, find the rate you actually pay your loan when the compounded monthly is 12.5%? O A 12.24% B. 13.24% C. 13.04% D. 11.74% OE, none QUESTION 8 Your rich aunt puts $35,000 into a bank account earning 12.00%. You are not to withdraw the money until the balance has trippled. About how many years will you have to wait? [HINT: Use the formulatIn(FV, PVO)/In(1+r).] O A 17 66years OB 16.66years OC.10.69 years 0.9.69 years E none QUESTION 9 9. Today you cam a salary of $28,500. What will be your annual salary fifteen years from now if you cam annual raises of 3.5 percent? O A $47.035.35 OB $47.522.89 OC S47,747.44 OD. $48,091.91