Because it specialises the groups that go into the number.
Answer:


Step-by-step explanation:
Combine like terms
2m and -4m are like terms while 3m^2 isnt. So, leave 3m^2 as it is and combine the other set. 2m-4m = (-2m). Therefore, your answer should be 3m^2 - 2m
Answer:
the answer would be 16%, but if its rounded to nearest whole percent it would be 20
Step-by-step explanation:
Answer:
Trapezoid
Step-by-step explanation:
It has two opposite parallel lines and the other two are not parallel