Aseventh grade teacher asks her students a survey question. which questions are appropriate for the teacher to ask her population? choose all that apply.
what type of car do you drive?
how many hours of sleep do you get per night?
on average, how long does it take you to complete your homework?
what time do you leave for school in the morning?
who did you vote for in the last presidential election?

The questions that are appropriate for the teacher to ask her population are:

Step-by-step explanation:

The survey is conducted among the seventh grade students so the valid question their teacher would have asked them is:

while the other two questions are invalid as it the students are young and they are not legal to vote.

also it is not necessary that they would arrive to school by car.

answer: 180

step-by-step explanation:

12-2=10

20-2=18

10x18=180