What type of selling presentation method is best to use when the sales person is an experienced any selling a non-technical type of product?

Solve for x, y, and z. show all steps.

What are the solutions to the equation 4x2+3x=24-x

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?