Lisa is on a trip of 1,515 miles. She has already traveled 225 miles. She has 3 days left in her trip. How many miles does she need to travel each day to complete the trip? A.
655
B.
430
C.
1,290
D.
860

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