Mathematics, 25.01.2022 02:40, aidan0824
a boy is building a pyramid out of building blocks. he put 20 blocks in the first row, then he puts 19 blocks in the row above, and so on. find the total number of blocks he needs. find the total number of blocks he need
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Mathematics, 21.06.2019 20:10, snicklegirlp4isqr
The constitution gives congress the power to create federal courts lower than the supreme court higher than the supreme court equal to the supreme court, unaffected by the supreme court.
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Mathematics, 21.06.2019 21:00, leannaadrian
2x minus y equals 6, x plus y equals negative 3
Answers: 1
a boy is building a pyramid out of building blocks. he put 20 blocks in the first row, then he puts...
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