Misha's Mathematical Adventure

Misha sat at her desk, her chin resting on her small, clenched fist. The classroom buzzed with the chatter of her classmates, but her mind was tangled in a web of confusion. “What’s the difference between a line, a line segment, and a ray?” she whispered to herself, her brow furrowing deeper. “Hey, Misha!” called out a voice from behind. It was Lily, her best friend, twirling a pencil between her fingers. “You look like you’re lost in space. What’s up?”