Please help, I will give brainliest, I am struggling badly.

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

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.