Answer:
2k-3.
Explanation:
There are k children and k-3 adults. So, we add k+(k-3). This simplifies to 2k-3.
Answer: D. Stratified
Explanation:
In the case of stratified sampling the samples are divided into parts or groups and then samples for study are randomly chosen from these groups or parts. Here Kerikeri has divided up her day into three parts and she selects the blood pressure randomly from these parts. This is the example of stratified sampling.
Answer: Everything looks great
Explanation:
for number 5 i dont really think it was a disease i have been studying that topic for a project i haven't been able to determine from at least 12 different articles if its a disease or if its a chemical reaction due to the things put inside of e- cigarettes.
Number 9 Yes it can disrupt according to a fda.gov article
Most e-cigarettes contain the highly addictive chemical nicotine and vaping delivers nicotine to the brain in as little as 10 seconds. A teen's brain is still developing, making it more vulnerable to nicotine addiction, and nicotine exposure during the teen years can disrupt normal brain development.
Numer 10 Should be lead particles
Scientists say the tiny metal coils that heat the liquid nitrogen in e-cigarettes may contaminate the resulting vapor with lead, chromium, manganese and nickel.
The adult human brain contains almost 97% of the body's neural tissue.
A woman is in the first stage of childbirth. Which of these events may be occurring?
B. Intense contractions
