Answer:
5a -12
Step-by-step explanation:
-7a - 8 + 12a - 4
Add the terms that have the variable "n"
5a - 8 -4
add numbers
5a-12
Answer:
6 pieces
<em>18 divided by 3 equals 6. :) Hope this helps. </em>
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Answer ;Fair
6 sections and they each have 3
Answer:
yes
Step-by-step explanation:
Trinomial means the equation consists of 3 terms therefore 2x+5y+7z is a trinomial.