What does it mean when they say skewed right or left

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Find the area of a parallelogram with base 15 yards and height 21 2/3