<span>C. No, because although the results differ among the four surveys, the sample method used for all was the same. Luc RANDOMLY selects 40 students in every survey. Random selection in surveys do not create bias and the results are highly credible. This is because there are no preconceived notions or factors that affect the responses of people being surveyed.</span>
The Second Choice I think
Answer:
b. 5.66
Step-by-step explanation:
Use pyramtherm theorem.
4^2+ 4^2= c^2
16+16=c^2
32=c^2
Sqaure root of 32= 5.65
Rounding up is 5.66
The sum of 8m and 3 is 8m + 3
Answer is B. 8m + 3
For this question, you just divide 2400 by 400 and get how many days it'll take! which, is 6