The 9th term of an Arithmetic Progression is 8 and the 4th term is 20. Find the first term and the common difference.
The 6th term of an A.P is twice the third and the first term is 3. Find the common difference and the 10th term.
Your company has raised financing by issuing 25-year bonds on January 1, 2009. They mature on December 31, 2033 and have a par value of $1,000 and a coupon rate of 8%. Coupon payments are made semi-annually.