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Mathematics, 21.06.2019 14:00
Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)
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Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup
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Is a triangle with sides of length 6ft, 21 ft, 23 ft. a right triangle?
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