Carmen wants to know the favorite lunch menu among 6th grade students. Which types of survey below would give Carmen valid results? A) randomly survey students in the middle school
B) randomly survey sixth grade teachers
C) randomly survey sixth grade boys
D) Randomly surveys sixth grade students

D

Step-by-step explanation:

Randomly surveying sixth grade students would give the most accurate result, as randomly surveying students in middle school wouldn't just be limited to 6th graders, sixth grade teachers would not be relevant as Carmen wants to know the favorite lunch menu amount 6th grade students, sixth grade boys would only include a certain gender, which is not the focus of the study. Therefore, D would be the best choice

21.4 i did it already for s1

step-by-step explanation:

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.