4 pounds is the correct answer.
explanation:
the baby gained 4 lbs during the first 4 months. then the baby gained 3 during the second 4 months. that is a total of 7. subtract that from 11, and you have 4 lbs.
ANSWER
EXPLANATION
The given exponential equation is
The greatest common factor of 9 and 27 is 3.
We rewrite the each side of the equation to base 3.
Since the bases are equal, we can equate the exponents.
Expand the parenthesis to get:
Group similar terms
Answer:
C) 75
Step-by-step explanation:
I got this because what you have to do, they all have to add up to 180. so what you do is:
2x + 30 = 180
-30 -30
2x = 150
2x/2 = 150/2
x = 75