Multiply. 7 ⋅ 3/4 enter your answer as an improper fraction, in simplified form, in the box. i am dying i been on this question for like an hour

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)?