Write the equation modelled by this diagram

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

What dimensions can créate more than one triangle ?