<span>-3(3t) = -9t
hope it helps</span>
Answer:
![A \cup (C-B) = (A \cup C) \cap (A \cup B^c)\\A \cup (B \cap C) = (A \cup B) \cap (A \cup C) \,\,\, \text{Here you use double inclusion.}\\A \cup B \cup C = A \cup (B \cup C)\\B^c \cap (A-C) = (B^c - C) \cap A\\(B \cap C) - A = (B-A)\cap C\\C-(A\cup B) = (C - A )\cap B\\A^c \cap (B \cap C) = ( A^c \cap B) \cap C](https://tex.z-dn.net/?f=A%20%5Ccup%20%28C-B%29%20%3D%20%28A%20%5Ccup%20C%29%20%5Ccap%20%20%28A%20%5Ccup%20B%5Ec%29%5C%5CA%20%5Ccup%20%28B%20%5Ccap%20C%29%20%3D%20%28A%20%5Ccup%20B%29%20%5Ccap%20%28A%20%5Ccup%20C%29%20%5C%2C%5C%2C%5C%2C%20%5Ctext%7BHere%20you%20use%20double%20inclusion.%7D%5C%5CA%20%5Ccup%20B%20%5Ccup%20C%20%3D%20%20A%20%5Ccup%20%28B%20%5Ccup%20C%29%5C%5CB%5Ec%20%5Ccap%20%28A-C%29%20%20%3D%20%28B%5Ec%20-%20C%29%20%5Ccap%20A%5C%5C%28B%20%5Ccap%20C%29%20-%20A%20%3D%20%28B-A%29%5Ccap%20C%5C%5CC-%28A%5Ccup%20B%29%20%3D%20%20%28C%20-%20A%20%29%5Ccap%20B%5C%5CA%5Ec%20%5Ccap%20%28B%20%5Ccap%20C%29%20%3D%20%28%20A%5Ec%20%5Ccap%20B%29%20%5Ccap%20C)
Step-by-step explanation:
![A \cup (C-B) = A \cup (C \cap B^c) = (A \cup C) \cap (A \cup B^c)\\A \cup (B \cap C) = (A \cup B) \cap (A \cup C) \,\,\, \text{Here you use double inclusion.}\\A \cup B \cup C = (A \cup B ) \cup C = A \cup (B \cup C)\\B^c \cap (A-C) = B^c \cap (A \cap C^c) = (B^c \cap C^c) \cap A = (B^c - C) \cap A\\(B \cap C) - A = (B \cap C) \cap A^c = (B \cap C) \cap A^c = (B \cap A^c)\cap C = (B-A)\cap C\\C-(A\cup B) = C \cap (A\cup B)^c = C \cap (A^c \cap B^c ) = (C \cap A^c )\cap B^c = (C - A )\cap B\\](https://tex.z-dn.net/?f=A%20%5Ccup%20%28C-B%29%20%3D%20A%20%5Ccup%20%28C%20%5Ccap%20B%5Ec%29%20%3D%20%28A%20%5Ccup%20C%29%20%5Ccap%20%20%28A%20%5Ccup%20B%5Ec%29%5C%5CA%20%5Ccup%20%28B%20%5Ccap%20C%29%20%3D%20%28A%20%5Ccup%20B%29%20%5Ccap%20%28A%20%5Ccup%20C%29%20%5C%2C%5C%2C%5C%2C%20%5Ctext%7BHere%20you%20use%20double%20inclusion.%7D%5C%5CA%20%5Ccup%20B%20%5Ccup%20C%20%3D%20%28A%20%5Ccup%20B%20%29%20%5Ccup%20C%20%20%3D%20A%20%5Ccup%20%28B%20%5Ccup%20C%29%5C%5CB%5Ec%20%5Ccap%20%28A-C%29%20%20%3D%20B%5Ec%20%5Ccap%20%28A%20%5Ccap%20C%5Ec%29%20%3D%20%20%28B%5Ec%20%5Ccap%20C%5Ec%29%20%5Ccap%20A%20%3D%20%20%28B%5Ec%20-%20C%29%20%5Ccap%20A%5C%5C%28B%20%5Ccap%20C%29%20-%20A%20%3D%20%28B%20%5Ccap%20C%29%20%5Ccap%20A%5Ec%20%20%3D%20%28B%20%5Ccap%20C%29%20%5Ccap%20A%5Ec%20%3D%20%28B%20%5Ccap%20A%5Ec%29%5Ccap%20C%20%3D%20%28B-A%29%5Ccap%20C%5C%5CC-%28A%5Ccup%20B%29%20%3D%20C%20%5Ccap%20%28A%5Ccup%20B%29%5Ec%20%3D%20C%20%5Ccap%20%28A%5Ec%20%5Ccap%20B%5Ec%20%29%20%3D%20%28C%20%20%5Ccap%20A%5Ec%20%29%5Ccap%20B%5Ec%20%3D%20%28C%20-%20A%20%29%5Ccap%20B%5C%5C)
![A^c \cap (B \cap C) = ( A^c \cap B) \cap C](https://tex.z-dn.net/?f=A%5Ec%20%5Ccap%20%28B%20%5Ccap%20C%29%20%3D%20%28%20A%5Ec%20%5Ccap%20B%29%20%5Ccap%20C)
Answer:
1. A lake that is gradually running out of water.
2. The best adapted organisms.
3. Has brought about a new species.
(Correct me if wrong)
(Correct me if wrong) Hope this hepled
(Correct me if wrong) Hope this hepled ALL THE BEST!!
Answer:
7
Step-by-step explanation:
7 squared = 49
--------------------------------------Between 7 and 8
8 squared = 64
52 is closer to 49 than 64 so it has to be below 7.5