Answer:
B
Step-by-step explanation:
Ecology is the study of ecosystems. That is, ecology is the study of how living organisms interact with each other and with the nonliving part of their environment.
You would just plug in the x’s for the equations above and that will equal your x
for example x=1
the equation is x+5
so y equals 1+5=6
y=6
7(M+5)=21
or, 7M+35=21
or, 7M=21-35
or, 7M=-14
or,M=-14/7
or, M=-2
360°
Sum of exterior angle of any polygon is 360°
wait few minutes i will try
