In music, what makes 3 beats per measure with a quarter note, and three eighth

In the exercise for the week, read the sentence carefully concentrating on the word noxious. using other words or phrases in the sentence to compose a student friendly definition.

In 1907, the retrospective on the work of 19th century post-impressionist georges seurat influenced the development of cubism in a radical way through his painting titled, “sunday afternoon on the island of la grande jatte.” ? ?

Which accidental cancels all other accidentals?