Compare the data for the growth of two plant samples. how can you determine which data set is linear?
growth of plant sample a
time (days) height (in.)
1 6
2 12
3 18
4 24
5 30
growth of plant sample b
time (days) height (in.)
1 2
2 5
3 10
4 17
5 26

What is the value of r of the geometric series?

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )