What is the interval of the notes in the image attached below?

Donald has x twenty-dollar bills and 1 ten-dollar bill. how much money does donald have? write your answer as an expression.

In an article about americans working in middle eastern countries, cicy, a white journalist, is described as knowing that she should cover her hair when she leaves her house. according to this article, cicy:

Match the instrument with its classification group: trumpet idiophone piano chordophone cowbell membranophone snare drum aerophone