X≤3 convert to interval notation

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

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 algebraic expression for the word expression the quotient of c and 8