a.) You get an A in this class, but you do not do every exercise in this book.
r ∧ ~q
b.) You get an A on the final, you do every exercise in this book, and you get an A in this class.
p ∧ q ∧ r
c.) To get an A in this class, it is necessary for you to get an A on the final.
r $\rightarrow$ p
d.) You get an A on the final, but you don't do every exercise in this book; nevertheless, you get an A in this class.
p ∧ ~ q ∧ r
e.) Getting an A on the final and doing every exercise in this book is sufficient for getting an A in this class.
( p ∧ q ) $\rightarrow$ r
f.) You will get an A in this class if and only if you either do every exercise in this book or you get an A on the final.
r ↔ ( q ∨ p )