Can someone check out those questions?

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

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