At School Street Elementary, the students in Ms. Wolfe’s 3rd grade line up in a straight line. When the teacher counts the students from the front of the line, Isabelle is #14. When the teacher counts from the back of the line, Isabelle is #8. How many students are in line altogether?

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