Which graph shows a positive relationship between variables ?

scatter-plots

Step-by-step explanation:

Scatter plots are similar to line graphs in that they use horizontal and vertical axes to plot data points. However, they have a very specific purpose. Scatter plots show how much one variable is affected by another. The relationship between two variables is called their correlation .

table 1

step-by-step explanation:

1-16

2-32

4-64

8-128

all multiples of 16