I need some help with these multiple choice questions. Thank u!

1) Which of the following is a loaded question?

a)how do you feel about the vaccine rollout?

b)what do you like most about science classes?

c)what should the school do with the new government funding?

d)who do you feel should win the sports awards?

2) Which of the following is a double-barreled question?

a)do you like the new school uniform?

b)how do you like the new car and gps screen in it?

c)do you have a bike?

d)how long does it take you to get to school?

3)Walmart cashiers inform all grocers that they will be entered in a draw to win $150 store gift cards if they fill out a survey. this is an example of:

a)simple randome sampling

b)systemic random sampling

c)stratified random sampling

d)voluntary random sampling

4) A private school offers 14 courses. The school is divided by age and 20% of the students in each group are sampled. this type of sampling is called:

a)simple random sampling

b)systemic random sampling

c)stratified random sampling

d)cluster random sampling

5)The names of 30 students are placed in a bag and 5 students are selected to be surveyed. this is an example of:

a)simple random sampling

b)systemic random sampling

c)stratified random sampling

d)cluster random sampling