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For the equations below which statement is true ?

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?