Find the nth term of this quadratic sequence
3, 11, 25, 45, ...

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.

Which two undefined geometric terms always describe figures with no beginning or end?