How do u factor out the coefficient of the -6z + 12 equals what

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?

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?