Original price of the item = $14.95
Price after discount = $13.79
Discount offered = original price - price after discount = 14.95- 13.79 = $1.16
Now let us find the percentage of discount offered.
Percentage discount is given by the formula:

Where MP= Marked price= original price
SP= selling price= price after discount

Percentage discount = 7.759 %
20%
This is because 20 and it's opposite -20 is 40. (20 - -20 = 40). Then 40 is 20% of 200.
Given that the mean is 55 inches and Dave is 57 inches, he would have increased the mean of the height in the stem-and-leaf plot that the students were making. This is however is also dependent upon the central tendency that was used, in this case the central tendency is mean or average.
Answer:

Step-by-step explanation:

When we factor expressions, we look for factors within the terms that are alike, or in other words, we look for common factors. Here,
and
only have one common factor:
. Therefore, to factorize this expression, divide both terms by
.

Now, we've "carried"
out of the expression and have therefore factored it.
I hope this helps!