A craft store sells clay in spheres with radius r. A sculptor uses these spheres of clay to create composite figures.
Three composite figures that the sculptor makes are
shown in the diagrams.

1. How many spheres of clay does
the sculptor need to make two
copies of Figure A? Explain.

2. How many spheres of clay does the sculptor need to make two copies of figure B? Explain.

3. How many copies of figure C can the sculptor make from 15 spheres of clay? Explain.

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