An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows. ... Ecosystems are controlled by external and internal factors.
Answer:
3, 2, 2
Step-by-step explanation:
No exponent can make the base number negative, so the domain is x > 0
-7 - 3x = 9x(x + 2)
Standard Form:
-9x^2 - 21x - 7 = 0
Answer:
108 cm^2
Step-by-step explanation:
rectangle + 2 triangle = total area
L x W + 2 * 1/2 base * height = total area
(5x12) + 2 * 1/2 * 12 * 4 = total area
60 + 48 = 108 cm^2
