What is the number of possible outcomes when tossing 6 coins at once

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.

The sum of two numbers is 86, and their difference is 20. find the two numbers

The graph shown is the graph of which function?