Three friends bought 4, 6, and 8 books. the table shows the cost of the books. what is the constant of proportionality? 2 7.5 15 30

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)

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

Aiko jumped rope for 20 min and stopped at 8: 05 when did she start