the principal of a local middle school arranged for 5 buses to take 140 students on a field trip. of the 5 buses, 4 buses were completely full. only 12 students rode on the 5th bus. if b represents the maximum number of students who can ride on each bus, which equation can you use to find the value of b?

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