A battery is charged. The percentage of the battery's capacity that is charged as a function of time (in minutes) is graphed.
what was the batterys charging level when the charging began?

Anthony is making a collage for his art class my picking shapes randomly. he has five squares, two triangles, two ovals, and four circles. find p( circle is chosen first)

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint. how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

Pls! does anybody know a shortcut for answering these types of questions in the future?