The length of a rectangle is 4 times the length of a smaller rectangle. The 2 rectangles have the
same width. The area of the smaller rectangle is X
square units. The area of the larger rectangle is yX
square units. Which of the following is the value
of y?

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