Answer:
Option D
75.39
Step-by-step explanation:
When provided with the co-ordinates (x, y) and(a, b) then the distance between them is given by 
Since u = (25, $350) and v = (53, $420) then the Euclidean distance will be

The answer to this is y= 5.
Answer:
a. possible sample size is 10
b. mean is 3
c standard deviation is 0.9
Step-by-step explanation:
Mean of any given set of numbers is the "average" you're used to, where you add up all the numbers and then divide by the number of numbers.
Standard deviation is a measure of the amount of variation or dispersion of a set of values.
Go to attachment for detailed analysis.
Answer:
The regular price was $93.03
Step-by-step explanation:
In order to find the regular price, divide the amount spent by the percentage of which she paid for it. Since it was 25% off, she paid 75% of the overall price.
$69.77/75% = $93.03
246 divided by 3 should equal 82