Astore sold a total of 21,650 balls. it sold 11,795 baseballs. it sold 4,150 fewer basketballs than baseballs. the rest of the balls sold were footballs. how many footballs did the store sell?

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 . reset next