The employee's supervisor wants to conduct a study to determine whether county residents would want a snack bar in the park. She decides to administer a
questionnaire to 100 residents who plan to use the park.
Which statements are correct? Select the three that apply.
A. The study is biased.
B. The study is a sample survey.
C. The study is based on self-reporting.
D. The study uses an observational design.
E. The study uses an experimental design.

a precentage of 6th graders. the population is all 6th graders. let me know if i'm wrong, i hope this ! : )

step-by-step explanation:

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6

answer: 270

step-by-step explanation:

you have to times 200 by 1.35 to get your answer

central angle of a triangle has the same measure as its intercepted arc.

step-by-step explanation: