An email spam reaches three readers. Each of them forwarded the same email to three different readers. Each of these new readers
further forwarded the same email to three different readers, who each forwarded the same email to yet again three different readers. How many people have read that email? 81
120
243
363
1. (6, 2) and (-3, -6) 2. (-4 and -6) and (3, -8) 3.(-2, -8) and (6, 4) 4.(-3, 9) and (0, 1) 5.(2, -2) and (8, 1) 6.(-12, 4) and (0, 2) 7.(-8, -4) and (4, -7) 8.(-4, 13) and (-2, 6)