Will give brainlest please try to do it quick im doing a test

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months

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.