Answer:
3/4
Step-by-step explanation:
Here is a really great 4 minute video that should help alot!
https://www.khanacademy.org/math/geometry-home/congruence/theorems-concerning-parallelogram-properti...
Answer:
The value of mean is 
Step-by-step explanation:
The normal distribution of the soft-drink dispensing machine can be stated statistically like
~ 
The standard form representation is

Now we need to obtain
in such a way that

In standard form
Since

This means

Now looking at the z-table for probability of 0.99 we obtain 1.88
i.e
Making 



Area of rectangle = Length*width
A = 28 so 28 = 4 * height
height = 28/4 = 7
The constant in an equation would be the number multiplied to x,
In the equation y - 6.7x, the constant would be 6.7