Answer:
a) True
b) True
c) False
d) True
Step-by-step explanation:
a and b are all true if the unicorns exist, dogs can fly, but that are not true because 1+1 cannot be 3. Therefore the statement is true
C is true for 1+1=2 but that doesn't mean that dogs can fly. Therefore the statement is false.
d is true because
[tex]2+2=4[/tex] and
[tex]1+2=3[/tex]