Simplify by collecting like terms: 2x-4-6x+8

What is the size of the matrix resulting from

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

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?