Which products result in a perfect square trinomial? Select three options.
(-x+9)(-x-9)
(xy + x)(xy + x)
(2x - 3)(-3+2x)
(16-x?)(x2-16)
(4y2 +25)(25+4y?)

Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.