The volume of a cylinder is 156 pi centimeters cubed. What is the volume of a cone with the same base and height as the cylinder? 39 pi centimeters cubed 52 pi centimeters cubed 78 pi centimeters cubed 156 pi centimeters cubed

24-karat gold is considered to be pure gold. 18-karat gold is considered to be about 75% gold. what is 18-karat gold considered a mixture rather than a pure substance? a) it has a variable composition of other elements and minerals. b) its color is different than pure gold. c) the gold atoms are not arranged in a repeating pattern. d) it can be melted and transformed into a different substance.

What happens in puerto rico in 2012 to celebrate the anniversary of clemente's 3000th hit

Give a brief summary/define the holocaust - who was behind it, how it began, what was the goal, and where did it take place? (8-10 sentences). be sure to include at least 2 pictures or a timeline