Answer:
x=28
Step-by-step explanation:
9a+12
The perimeter is the sum of the side lengths, so is ...
6a + a + 4 + 8 + 2a
= a(6 +1 +2) + (4 +8)
= 9a +12
1/8+1/8=1/4
1/2-1/4=1/4
Answer:Not true
Step-by-step explanation:12 is divisible by 3, and 12 is even.