Plz help me with this plz

Which of the following is the correct ratio for converting kilograms to grams

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year