Mrs. Douthart wants to know if Five Forks students enjoyed Bronco Day. She surveys every other 7th grade student. Which of the following BEST describes Mrs. Douthart's sampling method?

Question 5 options:

It is NOT biased because she asked every other student

It is biased because she only asked 7th graders

It is biased because she asked Five Forks middle school students

It is NOT biased because 7th graders are the best

y + 11 = (1/4)(x + 16)

step-by-step explanation:

answer: 3.26019516

step-by-step explanation:

the diagram shows you   triangle def with de=4, df=9 and de≠df≠ef.

the sum of the lengths of two triangles' sides are always greater than the length of the third side:

substitute sides lengths:

then 5< ef< 13 (option 3 is true).

def is a scalene triangle with all sides of different lengths (option 5 is true, option 2 is false).

answer: correct choices are 1, 3 and 5