John puts the base of a 14 foot ladder 3 feet from the wall of his house. How far up the wall does the ladder reach? Round your answer to two decimal places.

How do you find p(a and b) if a and b are independent events for two or more actions, such as tossing a coin twice and finding p(heads and heads)? 2. how do you find p(a or b) if a and b are independent events for one action, such as spinning a four-color spinner once and finding p(red or blue)?