Answer:
the third side is 12.6 centimeters
1200 I THINK
Step-by-step explanation:
Answer: 4
Step-by-step explanation: 18/6 =3 so do 12/3 and it will give you 4
5a^2 +2a
Like terms are ones with the same exponent of x. They can be combined.
3a^2 +2a +2a^2
= (3a^2 +2a^2) +2a
= (3+2)a^2 +2a
= 5a^2 +2a