What indication should be observed on a turn coordinator during a left turn while taxiing?

When an airplane is accelerated, some attitude indicators will precess and incorrectly indicate a

Approximately what percent of the indicated vertical speed should be used to determine the number of feet to lead the level off from a climb to a specific altitude?

Under which condition will pressure altitude be equal to true altitude?

What should be the indication on the magnetic compass as you roll into a standard rate turn to the right from a south heading in the Northern Hemisphere?