Perform the indicated operation(s) , whenever possible.
-Let 
Find A - B.
Definitions:
Q3: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8253/.jpg" alt=" A)
Q74: Find the probability of getting 2 tails
Q85: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8253/.jpg" alt=" A)36 B)72 C)18
Q115: Initially, a pendulum swings through an arc
Q122: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8253/.jpg" alt=" A)
Q168: f(x)= <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8253/.jpg" alt="f(x)= ,
Q177: Given that <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8253/.jpg" alt="Given that
Q267: Let <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8253/.jpg" alt="Let and
Q317: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8253/.jpg" alt=" A)
Q422: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8253/.jpg" alt=" A)