Answer:
a b and d
Step-by-step explanation:
 
        
             
        
        
        
Answer:
6 times. 
Exclamation:
You can do 15 divided by 2,50 to get you answer, when you do that you get 6.
(The upcoming and this sentence is pre-written and copy and pasted in every brainly question or comment I write or answer.) If this answer helped you please consider giving it brainliest. If my answer was wrong and you got marked wrong for it, I deeply apologize and hope you will forgive me, since everyone makes mistakes sometimes. If you need me to elaborate on my answer or give further explanation on it, please ask and I will do so. If you need to explain your reasoning on your work feel free to use my words- word for word- without crediting me, the answer was made for you anyways! Hope yall learn from my answer and it helps you in the future with assignments, quizzes, test’s, and more!
- •Trix•
( Yes I know my - •Trix• thingy is not my user but it’s what I would change it to if I could but I can't, please address me as Trix while commenting or talking to me here.)
 
        
             
        
        
        
Answer:
The answer is C.
Step-by-step explanation:
Multiply 4 by 76, 77, and 78.
4 * 76 = 304
4 * 77 = 308
4 * 78 = 312
304 = 304, so C is the correct answer.
Hope this helps!
 
        
             
        
        
        
Answer:
option D :
f(-8) = -2 ; f(4) = 3
Step-by-step explanation:
f(-8) = ³√-8 = -2
f(4) = 3 (the constant function) 
 
        
             
        
        
        
Answer:
Prove set equality by showing that for any element  ,
,  if and only if
 if and only if  .
.
Example:
 .
.
 .
.
 .
.
 .
.
 .
.
Step-by-step explanation:
Proof for ![[x \in (A \backslash (B \cap C))] \implies [x \in ((A \backslash B) \cup (A \backslash C))]](https://tex.z-dn.net/?f=%5Bx%20%5Cin%20%28A%20%5Cbackslash%20%28B%20%5Ccap%20C%29%29%5D%20%5Cimplies%20%5Bx%20%5Cin%20%28%28A%20%5Cbackslash%20B%29%20%5Ccup%20%28A%20%5Cbackslash%20C%29%29%5D) for any element
 for any element  :
:
Assume that  . Thus,
. Thus,  and
 and  .
. 
Since  , either
, either  or
 or  (or both.)
 (or both.)
- If  , then combined with , then combined with , , . .
- Similarly, if  , then combined with , then combined with , , . .
Thus, either  or
 or  (or both.)
 (or both.)
Therefore,  as required.
 as required.
Proof for ![[x \in ((A \backslash B) \cup (A \backslash C))] \implies [x \in (A \backslash (B \cap C))]](https://tex.z-dn.net/?f=%5Bx%20%5Cin%20%28%28A%20%5Cbackslash%20B%29%20%5Ccup%20%28A%20%5Cbackslash%20C%29%29%5D%20%5Cimplies%20%5Bx%20%5Cin%20%28A%20%5Cbackslash%20%28B%20%5Ccap%20C%29%29%5D) :
:
Assume that  . Thus, either
. Thus, either  or
 or  (or both.)
 (or both.)
- If  , then , then and and . Notice that . Notice that since the contrapositive of that statement, since the contrapositive of that statement, , is true. Therefore, , is true. Therefore, and thus and thus . .
- Otherwise, if  , then , then and and . Similarly, . Similarly, implies implies . Therefore, . Therefore, . .
Either way,  .
. 
Therefore,  implies
 implies  , as required.
, as required.