18x-16=-12x-4
what is the value of x?
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What is the common difference in the following arithmetic sequence? 7,3,-1,-5

Which graph represents the equation y =4x

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?