Answer:
Step-by-step explanation:
you can think in a reverse way:
Take

So the answer is

Answer:
each side is 31cm
Step-by-step explanation:
91/3=31
31+31+31=93
Answer: 40
Step-by-step explanation:
Answer:
I would reject the null hypothesis because it falls outside of the 95% confidence interval.
Answer:
Step-by-step explanation:
5x = 30
If there are 5 students in a row, find the number of rows given that the number of total students is 30.
Here 'x' represents the number of row