In a class, 45 students are taking the sat exam. the number of boys is 9 more than the number of girls. how many girls and boys are in the classroom?
write a system of equations and solve using any method.

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?

Need plz been trying to do it for a long time and still haven’t succeeded

Factor this polynomial completely. 12x^2+ x-6