Which of the following is a reason a person might begin using drugs?
d. all of the above
Answer:
<em>The correct option is 2) I will subtract 18 days from the length of my shortest cycle.</em>
Explanation:
In order to use the calendar method of birth control, one might know hot to calculate the beginning and end of the fertile period.
The beginning of the fertile period can be calculated by subtracting 18 days from the length of the shortest cycle. This will determine the first unsafe day.
To calculate the end day, subtract 11 from the longest cycle of the person. This will determine the last unsafe day for the month.
The average length of a cycle cannot be used, but the individual's own shortest and longest cycles have to be used for calculation.
Answer:
7/4
Explanation:
To find slope you subtract the first y value from the second y value and divide that number by the first x value subtracted from the second x value.
The equation is: 
You can simplify this to: 
Your answer is 7/4 as a fraction and 1.75 as a decimal.
Hope this helps!
I believe it's the last two. "makes the lungs able to fill more completely" and "helps the blood vessels dilate more easily" hope this helps, have an amazing day :)
