I would say A.
B would be Carly's age is two years more than three times his sister's age.
C would be Carly's age is two times his sister's age plus three
D would be Carly's age is his sister's age squared plus three.
The error is that 9 shouldnt be written as nine it should be written as 3x3 or 3^2. So the answer should be 2^3 x 3^2 because 9 can be divided into even more prime factors of 72.
Step-by-step explanation:
<u>Rule:</u>
When exponents multiply, they're adding.
<u>Multiply:</u>

Option A is correct.
Answer:
Substitute the x with -4 and try to solve it.
Step-by-step explanation: