Set Theory Questions.   Indicate which of the following stat…

Set Theory Questions.   Indicate which of the following statements are true. For any three sets, A, B, and C, if A ⊆ B, then A × C ⊆ B × C.    [Q1] R2 ⊆ R3.   [Q2] A × (B ∪ C) = (A × B) ∩ (A × C) [Q3] (A ∪ B) – (A ∩ B) = A – B. [Q4] A ∩ (B – A) = ∅. [Q5] Cardinality of the power set of the set {∅} is 2. [Q6]

using full German sentences, write a short essay, between 20…

using full German sentences, write a short essay, between 200 and 300 words, in which you answer the following: what was your opinion of the games? Do you think they are a good way to teach kids to recycle and separate trash? Why or why not? What would you do differently? What worked or did not work?