I need an answer, i cant figure it out so I just got this app to try it out

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

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?

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?