An ABCD rectangular area has a value of 164cm, its height is measured in cm AB = 10cm and CD = 17cm as shown below. Calculate the BC measurement.

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)?