Answer:
9a+12
Step-by-step explanation:
The perimeter is the sum of the side lengths, so is ...
6a + a + 4 + 8 + 2a
= a(6 +1 +2) + (4 +8)
= 9a +12
Answer:
i think this is the answer
Answer:
solve the equation 3c-4=17
choice 4
Step-by-step explanation:
3c-4=17
3c=17+4
3c=21
3c÷3=21÷3
c=7
age of cousin =7
Answer:
B Infinite Solutions
Step-by-step explanation:
3 (x - 8) = 3x - 24
3x - 24 = 3x - 24
+ 24 + 24
3x = 3x
x = x
Infinite solutions
Answer:
A
Step-by-step explanation:
it's a scsle factor of 3.