Mathematics, 23.06.2019 02:40 eli761029
Factor k2 - 81. (k + 9)(k + 9) (k - 9)(k - 9) (k - 9)(k + 9)
Answers: 1
Mathematics, 21.06.2019 21:30, brittanysanders
Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.
Answers: 2
Factor k2 - 81. (k + 9)(k + 9) (k - 9)(k - 9) (k - 9)(k + 9)...
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