Answer:
B
Step-by-step explanation:
A is correct because
was added on both sides, which is supported by the Additive Property of Equality
C is correct because the Quotient Property of Logarithms states that 
so
is correct
D is correct because using the fact that
it is easy to figure out that x=12
For B, there is no property supporting that statement.
Answer:
7 cm
Step-by-step explanation:
it is a square so sqrt(49)=7, and the side lengths are 7
Answer: 182.075
Step-by-step explanation: 145.66 divided by 0.8 =182.0.75
The second one is correct so its 2