2x(x + y) + 2(x2 + 3xy)​

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Acircle has a circumference of 28.36 units what is the diameter of the circle

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?