Sara graphs a line passing through points that represent a proportional relationship. which set of points could be on the line that sara graphs?
a) (2, 4), (0, 2), (3, 9)
b) (6, 8), (0, 0), (18, 24)
c) (3, 6), (4, 8), (9, 4)
d) (1, 1), (2, 1), (3, 3)

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

Emily convinced her mom to buy a giant box of her favorite cereal. her mom doesn't think the box will fit on their shelf. the volume of the box is 1000 cm^3 . the base of the box is 25 cm by 10 cm

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