The total water surface area of Lake Michigan is 58,000 square kilometers. What is the total water surface area of the lake expressed in scientific notation?

What is the prime factorization of 195

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?

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.