Make graphics of 5 concentric circles centered at {0,0} with radii 1, 2, ... , 5.

14.1

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Make 10 concentric circles with random colors.

14.2

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Make graphics of a 10×10 grid of circles with radius 1 centered at integer points {x,y}.

14.3

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Make a 10×10 grid of points with coordinates at integer positions up to 10.

14.4

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Make a Manipulate with between 1 and 20 concentric circles.

14.5

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Place 50 spheres with random colors at random integer coordinates up to 10.

14.6

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Make a 10×10×10 array of spheres with RGB components ranging from 0 to 1. The spheres should be centered at integer coordinates, and should just touch each other.

14.7

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Make a Manipulate with t varying between −2 and +2 that contains circles of radius x centered at {t*x,0} with x going from 1 to 10.

14.8

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Make a 5×5 array of regular hexagons with size 1/2, centered at integer points.

14.9

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Make a line in 3D that goes through 50 random points with integer coordinates randomly chosen up to 50.

14.10

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Make a Manipulate to create an n×n regular grid of points at integer positions, with n going from 5 to 20.

x14.1

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Place 30 radius-1 circles with random colors at random integer coordinates up to 10.

x14.2

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Display 100 polygons with side length 10, opacity .5, and random choices of colors, sides between 3 and 8, and integer coordinates up to 100.

x14.3

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Make a 10×10×10 array of points in 3D, with each point having a random color.

x14.4

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Take the first two digits of numbers from 10 to 100 and draw a line that uses them as coordinates.

x14.5

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Take the first 3 digits of numbers from 100 to 1000 and draw a line in 3D that uses them as coordinates.

x14.6

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