Brittney W.

Line l1 has equation 3x - 2y = 1 and goes through A (-1, -2). Line l2 has equation y = 1 and meets line l1 at point B. Line l3 has positive slope, goes through point A, and meets l2 at point C. The... more

One sunny afternoon, Mia was walking home from school when she heard a soft whimpering sound near a bush. Curious, she peeked behind the leaves and saw a small brown puppy shivering. The puppy had... more

Can an integer of the form 111...1 (there are n digits, with n ≥ 2) be the square of an integer?