Complete the recursive formula of the geometric sequence 10, 6, 3.6, 2.16,
a(1) =
a(n) = a(n − 1).

Answer this question only if you know the 30 points and

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?

Explain why the factor 1.5 is broke. into two numbers in the model.