Jamal is stacking boxes of books for the library book sale. each box contains 24 books. if the stack of boxes is
in the shape of a square-based pyramid, how many books total will there be in a stack of 4 layers?
a. 30
b. 336
c. 28
d. 720

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