Is 30 miles per hour a ratio?

Which of the following graphs could represent a cubic function?

Which numbers have the same absolute value? choose all that apply. asap will mark at brainliest

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