The ratio of North American butterflies to South American butterflies at a butterfly park is 5 : 3. The ratio of South American butterflies to European butterflies is 3: 2. There are 30 North American butterflies at the butterfly park. a. How many South American butterflies are there? b. How many European butterflies are there?

so then what are you asking?

step-by-step explanation:

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a

is there supposed to be a picture here?