2020 + <em>N</em> ≡ 0 (mod 11)
<em>N</em> ≡ -2020 (mod 11)
Notice that 2020 = 183 • 11 + 7, so
<em>N</em> ≡ -(183 • 11 + 7) (mod 11)
<em>N</em> ≡ -7 (mod 11)
<em>N</em> ≡ 4 (mod 11)
He will get no solutions and this is for the following reasons:
1. A and B have no solutions, so they must be parallel.
2. B and C have infinite solutions, so they must represent the same line.
Vu=15 su=square root 450 TV= square root 450 SW= squareroot 450/2