The radius of a sphere is 9.2 cm. A second sphere has a surface area 9 times as large as hte surface area of the first sphere. What is the radius of the larger sphere?

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