One root of a third degree polynomial function f(x) is -5 + 21. Which statement describes the number and nature of all roots for this function? •f(x) has two real roots and one imaginary root.
•f(x) has two imaginary roots and one real root.
•f(x) has three imaginary roots.
•f(x) has three real roots.

He concluded that a heavier object dropped from the same height as a lighter object will land

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

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?