The Rao of North American butterflies to South American butterflies at a butterfly park is 5 : 3. The Rao of South American butterflies to European butterflies is 3: 2. There are 30 North American butterflies at the butterfly park.

step-by-step explanation:

answer: .75 km

step-by-step explanation:

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b

the battle of gettysburg is considered the "high water mark" of the confederacy because it marked the greatest advance of the confederate forces against the union.