Strep throat: Classically strep throat does not cause a cough. It's possible you have/ had a viral upper respiratory infection. These usually resolve within 1- 2 weeks.
What are the Means and Extremes of Proportions? A proportion is just an equation where two ratios are equal, and each piece of the proportion has a special name.
(February 2015). Variable y is directly proportional to the variable x. In mathematics, two variables are proportional if a change in one is always accompanied by a change in the other, and if the changes are always related by use of a constant multiplier.