Answer:
B. 1/6
Step-by-step explanation:
Answer:
-4
Step-by-step explanation:
Use PEMDAS
Let's call animals "a", and birds "b", birds of prey, "p"
so, b=

and p=

what;s the relation of p to a?
we substitude b into the last one:
and p=

so:
p=

p=

p=

p=

which is the answer!
Yes because if you add forty and thirty that equals seventy plus twenty is 90 which is a right angle