Could someone please explain how to do these on a financial calculator?

Question 18 1 pts You just paid $1,095 for a security that will pay you $375 at the end of each of the next 9 years, plus $1,000 at the end of the 9th year. What is the rate of return on the investment? 0 34.56% 0 34.02% O 35.73% O 36.69% O 31.70% Question 16 1 pts Asecurity will pay you $400 at the end of each of the next 8 years, plus $1,000 at the end of the 8th year. Using a discount rate of 5,60%, what is present value of the security? O $3068 0 $3.132 O $3.440 O $3.326 o $3,170 Question 10 1 pts You currently have $3,000 in an account, and you plan to deposit $2,000 into the account at the end of each year. I the account earns an annual interest rate of 5.6 %, how much will be n the account at the end of 7 years? o $22.152 $22.684 o $20,977 0 $22.455 O $18.886 Question 2 1 pts What is the present value of a perpetuity that pays you annual, end-of-year payments of $900? Use an annual interest rate of 9.00%. 0 $9,497 o $10.774 O $10.463 O $10000 o $1022