Answer:
The fourth graph shows and exponential growth function.
Step-by-step explanation:
The last graph shows the value increasing by a large amount.
First turn the percent into a decimal. It would be 1.20.
Multiply 465 and 1.20.
465 x 1.20=558
Then add 465 and 588 to get the final amount.
465+558=1023
There were 1,023 yearbooks sold this year.
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:

1840 calories. I might be wrong so don't rely on me 100%. Sorry.