Answer:
7x+7y=
Step-by-step explanation:
(x+y)7
used 7 to open the bracket.
7x+7y
different between A and B
=30-(-30)
=60
position of C from A or B
=(60÷3)×2
=40
possible value of c
=-30+40
=10
=30-40
=-10
B. 11
When n = 11
The product of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11 is 39,916,800
39,916,800 is a multiple of 990
Yes
