Q: the main problem in this area is to find a nonsingular algebraic variety u, that is birationally equivalent to an irreducible algebraic variety v, such that the mapping f: u v is regular but not biregular.
A: The main problem in this area is to find a nonsingular algebraic variety U, that is birationally equivalent to an irreducible algebraic variety V, such that the mapping f: U V is regular but not biregular.

Q: whether the eyes match or not, they appear to be especially large in the bobtail's neat, little triangular face. luckily, big ears balance out the breed's face. oddly enough, these cats have back legs that are longer than their front legs. however, since they hold their back legs in a slightly crouching position, the difference in length is not noticeable.
A: Whether the eyes match or not, they appear to be especially large in the Bobtail's neat, little triangular face. Luckily, big ears balance out the breed's face. Oddly enough, these cats have back legs that are longer than their front legs. However, since they hold their back legs in a slightly crouching position, the difference in length is not noticeable.

Q: the additional cost to build a "green" school, for example, is about $3 per square foot, whereas the present value of 20 years of direct energy and water savings equates to $8 per square foot in benefits.
A: The additional cost to build a "green" school, for example, is about $3 per square foot, whereas the present value of 20 years of direct energy and water savings equates to $8 per square foot in benefits.

Q: bring the us to that dock, position us for drop off."
A:
Bring the us to that dock, position us for drop off."