What is the probability that a marble chosen at random is shaded or is labeled with a multiple of 3?

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

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?

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)