Answer:
0
Step-by-step explanation:
Just 4 people per year would overflow the landfill, how would it survive 6480 people?
Answer:
12 people
Step-by-step explanation:
We have to take to total amount of teachers, which is 8 and add the total amount of students, which there are 4 of. 8+4 is 12, so there are 12 people in total.
No. If it has three sides, then it's a triangle, and not a trapezoid.
Answer:
35/2 or 17.5 or 17 1/2
Step-by-step explanation:
Step-by-step explanation:

While subtracting , the sign of each term of second expression changes & remove the parentheses.
⟶ 
Combine like terms. Like terms are those which have the same base. Only coefficients of like terms can be added or subtracted.
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⟶ 
In standard from , the expression should be written in such a way that the power of variables goes from highest to lowest.

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