Two students are taking surveys to find out if people will vote to fund the building of a new city park on election day.
Levonia asks 20 parents of her friends.
Quenten asks every other person leaving the library until he has asked 20 people.
Ruth calls 20 randomly selected registered voters.
Since sends e-mails to 20 friends.
Which sample will be the most representative? Give reasons for your answer.

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem