Answer:
simple interest= 5100
using formula SI=<u> </u><u>PTR</u>
<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>100
hope it helps..
Answer:
Aiko spends $3.85
Step-by-step explanation:
2.60 times 3 - 3.95 = 3.85
Since it is area the best measurement would be square meters.
The test statistics is used to determine if the anxiety medication can happen under a null hypothesis
The test statistics that is an appropriate hypothesis test is 
<h3>How to determine the test statistic</h3>
<u>40 milligrams of medication</u>
Patients = 60
Lower stress level patients = 21
The mean of this medication is:

So, we have:


<u>75 milligrams of medication</u>
Patients = 85
Lower stress level patients = 34
The mean of this medication is:

So, we have:


The test statistic is then calculated as:

The equation becomes

Hence, the test statistics that is an appropriate hypothesis test is 
Read more about test statistic at:
brainly.com/question/15980493