Isabelle is planning a road trip to her friend's house. she looks at a map that has a scale of 1/2 in. to 25 mi. the road distance between her home town and her friend's town measures 12 in. on the map. if d represents the road distance between the two towns, what is d? a. 50 mi. b. 150 mi. c. 300 mi. d. 600 mi.

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is