The answer is D. 7x 4y and 1
10. acute angles: 0
Right angles: 4
Obtuse angles: 0
Perpendicular lines: 0
Parallel lines: 2
11. Acute angles: 2
Right angles: 0
Obtuse angles: 1
Perpendicular lines: 0
Parallel lines: 0
12. H
I believe the correct answer is A. 82 / 2 = 41. Hope this helped!
-Twix
Answer:
It's false
Step-by-step explanation:
PLEASE GIVE ME AS BRAINLIEST
Permafrost occurs in areas where the temperature of the ground remains below the freezing mark for two years or more. About a quarter of the Northern Hemisphere's landscape fits this definition. Most of the world's permafrost is found in northern Russia, Canada, Alaska, Iceland, and Scandinavia.
