Answer:
54
Explanation: first you divide 216 by 4 and get 54 because all squares have equal sides
Answer: (0.685, 0.735)
Explanation:
First, we will compute the confidence level of the given:

They gave us a margin of error of 0.025. From the given, we know that p=71%=0.71.
The confidence interval would then be:

Therefore, the confidence interval would then be (0.685, 0.735)
Hello,
if 0 is a positive integer
sum=0+1+...+59=(0+59)*60/2=59*30=1770
else
sum=1+2+3+...+60=(1+60)*60/2=61*30=1830
end if
Answer D: 1830
In US, 0 is not positive, in Europe yes!!!
You just multiply the numerators of the fractions and the denominators of the fractions together, and then reduce the fraction to simplify it from that point on.