Need a quick answer please

In the geometric progression –3, 12, −48… what term is 3,072?

Find the measurement of angle b in the following triangle

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)?