What is the percent error in using 3.14 as an approximation of pi

Find the value of x for which abcd must be a parallelogram -9-6x x-30

Give all possible names for the line shown.calculation tip: lines can be written with either point first.

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?