The city is issuing bonds to raise money for a building project. You obtain a $1000 bond that pays 9% interest annually that matures in 7 years. How much interest will you earn?

In a certain pentagon, the interior angles are a,b,c,d,e where a,b,c,d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

What is the factored form of the following expressions? d^2 – 13d + 36

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).