What is 15/100 in simplest form

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?