3x + 4y -z = 1
3x-y-4z=-3
x+3y-3z = 9
*Use Elimination to solve*...
Mathematics, 13.10.2020 01:01 shea3042
3x + 4y -z = 1
3x-y-4z=-3
x+3y-3z = 9
*Use Elimination to solve*
Answers: 3
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Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.
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