Which statement is the most appropriate comparison of the centers?

Which of the following represents the length of a diagonal of this trapezoid?

Write the equation of the circle centered at (10,-2) with radius 2

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