Riley knit a total of 9 centimeters of scarf over 3 nights. How many nights will Riley spend knitting in order to knit a total of 18 centimeters of scarf? (MUST SHOW how to set up problem and solve).

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Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer

Acone is placed inside a cylinder. the cone has half the radius of the cylinder, but the height of each figure is the same. the cone is tilted at an angle so its peak touches the edge of the cylinder’s base. what is the volume of the space remaining in the cylinder after the cone is placed inside it?