Answer:
coin 1
Step-by-step explanation: i think this is it
Answer: There are 12 European butterflies.
Step-by-step explanation:
Let be "s" the number of South American butterflies at the butterfly park.
Since the ratio of North American butterflies to South American butterflies at a butterfly park is 5:3 and the number of North American butterflies at the butterfly park is 30, you can write the folllowing proportion:

Solving for "s", you get:

Let be "e" the number of European butterflies at the butterfly park.
Knowing that the ratio of South American butterflies to European butterflies at the butterfly park is 3:2, and since there are 18 South American butterflies, you can write the following proportion:

Solving for "e", you get:

not sure what the dots are supposed to mean..
but i think it's 6B5??
Answer:
-15
Step-by-step explanation:
(-9)^2+9/-9+3
81+9/-6
90/-6
-15