Answer: There are 80 students.
Step-by-step explanation: 20x4=80
3x4=12
12+80=92
13 should be b and
14 is a because geometric mean to have a common ratio
Answer: 36
Step-by-step explanation:
Answer:

Step-by-step explanation:
Let
be the temperature on the first day
Second day temperature

Third day temperature

Fourth day temperature was 

On the first day the temperature was 
Answer:
the answer is 5,746 = c
Step-by-step explanation: