In what situations might we use substitution to answer the equation?

Which of the greatest common gcf of 32 and 48 a 16 b 96 c 8 d 32

What is the average rate of change for this function for the interval from x=2 to x=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?