Answer:
The volume is the amount of space an object takes up.
The mass is the measure of how much matter in a object.
The density is the mass <em>divided </em><em>by</em> volume.
You would distribute then combine like terms to get your answer.
Answer:
The statistic for this case would be:

And replacing we got:

Step-by-step explanation:
For this case we have the following info:
represent the sample size
represent the number of employees that earn more than 50000

We want to test the following hypothesis:
Nul hyp. 
Alternative hyp : 
The statistic for this case would be:

And replacing we got:

And the p value would be given by:

Answer:she has 20 pennies because
Step-by-step explanation:80 divide by 4 = 20