What are three things used in math for clay?

earthenware, stoneware, and kaolin.

The three things used in math for clay are

Slip,Potters glue

Plastic or wet

Hope this helps.

beethoven's first public performance in vienna was on march 29, 1795. he gave a piano concert, or akademie, in vienna's burgtheater as part of an event organized by joseph haydn (probably op. 15). in these early years, beethoven's success as a composer was closely tied to his career and renown as a piano virtuoso.

explanation:

changeable lenses of different focal lengths allows light to enter the camera,which then forms the image on light-sensitive film;