Hi,
The answer is c. The sample is biased.
This is because the sample is taken on a single state, an Rebecca reports a statistic about the nation. Her data contains information only of her state. If she lives in a very cold state, there is probably more homeowners using electric heat than in a hot state.
Answer:
c
Step-by-step explanation:
Answer:

≤ x
Explanation:
-12 ≥ 24x
-12 = 24x
÷ -12 ÷ - 12 (flip the sign here)
1 = -2x
÷ -2 ÷ -2

= x

≤ x
Answer:
0.012
Step-by-step explanation:
1.2*1/10*10
=0.012
In order to simplify this expression, we need to add the like terms.
Like terms are terms that have the same variables to the same power.
So we have:

Therefore the correct option is the fourth one.