Please help Answer choices
A. 5 units
B. 15 units
C. 21 units
D. 24 units
E. 45 units

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 circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2