The price of a dvd is $19 this price is 12% lower than last week what was the price of the dvd last week round your answer to the nearest cent and your answer into the box

List the elements of the set in roster notation. (enter empty or ∅ for the empty set.) {x | x is a letter in the word hippopotamus}

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Lindsay used two points, (x, y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?