Acircular pond 26 yd in diameter is surrounded by a gravel path 2 yd wide. the path is to be replaced by a brivk walk costing $50 per square yard. hiw much will the walk cost?

Ineed with number 6 , explain how to get 1978

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

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?