A bag contains 9 blue marbles and 36 green marbles. If a representative sample contains 3 blue marbles, then how many green marbles would you expect it to contain? Explain.

You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?

Which of the following can be used to explain a statement in a geometric proof?

Given: jk ||lm prove: _2 = 27 statement justification 1. jk ||lm 1. given 2.26 = 27 3.22 = 26 2. 3. 4. _2 = 27 4. corresponding angles theorem transitive property of equality vertical angles theorem substitution property of equality