Answer: The second one
Step-by-step explanation:
Answer:
-18
Step-by-step explanation:
5(-3)+3-6
-15+3-6
-12-6
-18
Answer:
Assuming each class is filled to capacity, the average class size is 70.
Step-by-step explanation:
We have to find the weighted average of the number of students.
The weights are the number of classes.
We have that:
One class of 20 students
Eight classes of 60 students.
One class of 80 students.
Four classes of 100 students.
So
Assuming each class is filled to capacity, the average class size is 70.
The answer is 48 because 8 times 9
The number of mice that didn't get a tumor is 9 mice out of the 25 mice.
<h3>How to know how many mice didn't have a tumor?</h3>
Identify the total mice who did not have any effects or the effects did not include a tumor.
Repiratory failure: 9 mice
Based on this, it can be concluded 9 mice did not have a tumor, while 21 mice hat at least a tumor and some of them had a tumor and respiratory failure.
Note: This question is incomplete; here is the missing section:
- How many didn't get a tumor?
Learn more about mices in: brainly.com/question/20662365
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