Answer:
The answer is A = { 5 , 6 , 7 }
Step-by-step explanation:
Since all the members in A = { 5 , 6 , 7 } are all in the universal set
R= {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
Which makes A = { 5 , 6 , 7 } a subset.
Hope this helps
Answer:-800
Step-by-step explanation: 10 times 10 is 100 plus another 100 is 200-1000 is -800 which is x
Answer:
-10.8
Step-by-step explanation:
-8.1 - (-2.7)
You're pretty much adding together but keeping the negatives
-10.8
It can be either B. 11 or C. -11
Answer:
28
Step-by-step explanation:
Two negatives make a positive. So instead of subtracting a negative number, you instead just add -13 + 41 because the 2 negatives made a positive. And the answer to that is 28.