Answer:
A answer 1
Step-by-step explanation:
that's my best guess and I'm 99.9% sure it's right. sorry if I'm wrong I wish you luck):
Step-by-step explanation:
x= (70+83+90)/3= 81
85=(89+75+y)/3
255=89+75+y
y=91
92=(86+a+a)/3
276=86+2a
2a=190
a=95
93=(b+b+b)/3
279=3b
b=93
The answer to this is atmosphere.
The atmosphere is the layer of air that surrounds the Earth and is comprised mainly of nitrogen and oxygen.
So that's why the sphere that contains the air we breathe is atmosphere.
Hope this helped :)
have a great day
A. Always
These lines<span> are </span>perpendicular<span> since their slopes are negative reciprocals.</span>
Answer:
16.25
Step-by-step explanation:
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