Dominoes are tiles of size 2×1 and can be placed horizontally or vertically. All dominoes need to be contained within the board, and there can’t be any gaps. Can you find a general answer for a board of size 2× n? What about a board of size 3× n?

A cylindrical hole of length 6cm has been drilled through the center of a solid sphere. What is the volume of the remaining sphere? The best thing about an advent calendar is the daily element of surprise leading up to Christmas Day. Build Your Own Advent Calendar - Christmas Advent Town - 24 compartments - Roof Shaped Lids with Numbered Houses - 3D Puzzle

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Five people, A, B, C, D and E, are randomly seated around a circular table. What is the probability that A and B are next to each other? Christmas Gifts,Jigsaw Puzzle Advent Calendar,2023 Christmas Holiday Jigsaw Puzzle,1000PCS Christmas Countdown Calendars Holiday Puzzles Beauty lovers need this luxury calendar from Saks Fifth Avenue that features 25 items instead of the traditional 24. Try out the best body and home fragrances in the form of serums, lip balms, toothpaste, candles, and more. You're guaranteed to find something new that becomes a staple in your home.

In this triangle, the length of all three sides and its height are four consecutive integers. What is the area of the triangle? This shape consists of three congruent, right-angled, isosceles triangles. Can you divide it into four congruent regions? Two squares of size 20cm are randomly placed inside a larger square of size 1m (edges parallel). What is the probability that the two smaller squares overlap? Points A, B and C are each 1/3 along their side of the triangle. What fraction of the triangle is shaded? Advent Calendar 2023 Christmas Jigsaw Puzzle-24 Boxes 1008 Pieces Holiday Puzzle Christmas gifts for kids

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Place the digits from 1 to 8 in these boxes, so that consecutive digits are not adjacent (even diagonally). Montessori calendar 2023 Wooden Homeschool Desk Calendar Montessori Toys Chore Chart Kids Routine chart Season Colorful Baby Gift This is the most efficient way to place three congruent squares in an equilateral triangle. What proportion of the triangle is shaded? Personalised Advent Calendar | Perfect For Decorating | Christmas Calendar | Christmas Countdown | Reusable