If you know that a boy sits in a certain aisle and in a certain row, does it follow that you know in exactly what seat he sits?

The parabola opens: y=√x-4 (principal square root) up down right left

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm