These problems really aren't hard just set them equal to each other and see if what they are saying is true. Are they equal? Do they both equal 0?
5. -6a-48
6. 36x+4
7. 30n+40
8. 1.8m+2
Yess
<span>D. Regular polygon.
</span>A polygon that has all sides the same measure and all angles the same measure is called Regular polygon.
Hoped I helped!
Answer:16
Step-by-step explanation:18- 3=16
