Aroad has a speed limit of 40 mi/h. write an inequality that describes the legal speeds r for motor vehicles. a r < 40 b r < _40 c r _> 40 d r > 40

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

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?

With number 11 ( show how you got the answer)