11: 22,33,44,55
8: 16,24,32,40,48
2: 4,6,8,10,12
Answer:

Step-by-step explanation:
(a+b)(a-b)
-ab+ab-

Answer:
I don't understand what should i answer.
The only thing I undrestood was that this is a relation which can be a function.
Answer:
First option is correct answer.
Step-by-step explanation:
Area = 4x - 10
Perimeter = x + 8
216+7c=517; 43 copies .... of he made 216 a week from the newspaper and and made 7 dollars per copy sold of his book it should be 216+7c=517 then you subtract 216 from both sides of the equation so 7c=301 then divide 301 by 7 = 43