you have read 15 pages of a book. you plan to read an additional 12 pages each night. write the explicit formula to represent the number of pages you will read after n nights.

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