- The racer lapped at unprecedented speed .
- Can you give me a lift if you are mobile ?
- Dotted arrows represent flow of information .
- This matrix is condensed by the equation .
- They set out on the last stage of their journey .
- Nell could not help following at a little distance .
- It covers about an octave .
- The equation must be solved numerically or graphically .
- Economic models often lead to the study of systems of equations .
- Optical depth and optical path are often confused in the literature .