A botanist at a nursery wants to inspect the health of the plants at the nursery. Which of the following best describes a stratified sample of plants

With alll of except for the 2 that i did already

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?

What is the distance between the points (2, 5) and (5,9)?