I need help :( on math and I forgot to study!: When is the additive relationship used? Select all that apply.

1.When subtracting the same amount to an x-value.
2.When dividing the same amount to an x-value.
3.When multiplying the same amount to an x-value.
4.When adding the same amount to an x-value.

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z