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.
The area of a circle is pi times the radius squared (A = π r²).
Answer:
D
Step-by-step explanation:
Because 90/5=18
Answer:
The answer is 1/8
Step-by-step explanation:
So I found a half of a half and divided it by 6.
Answer:
Answer: -7
Step-by-step explanation: