To cook fondant, sugar and water are heated to 230°F. Then the mixture is cooled at room temperature before it is kneaded. If the cooked fondant cools to 200°F in 15 minutes in a 68°F kitchen, how long will it take to cool to 100°F? (Hint: Find the constant k first.)​

Graph a triangle (xyz) and reflect it over the line y=x to create triangle x’y’z’. describe the transformation using words. draw a line segment from point x to the reflecting line, and then draw a line segment from point x’ to the reflecting line. what do you notice about the two line segments you drew? do you think you would see the same characteristics if you drew the line segment connecting y with the reflecting line and then y’ with the reflecting line? how do you know?