Some airlines average more than twelve block hours a day from their long-haul aircraft.

Walking up to the courts after school that mid-October Monday, I spotted Caroline reading a well-known book with a red apple on the cover. Oh, no, I thought. Not her, too. Cameo had been an irreversible Twi-tard, but perhaps there was still hope for Caroline.

We front-loaded the project with fees.

The torus S¹⨯S¹ can be embedded in ℝ³.