Which of the following is the best description of a positive association between two variables? A
The values will create a line when graphed on a scatterplot.
B
The values will create a line
with positive slope when graphed on a scatterplot.
с
As the value of one of the variables increases, the value of the other variable tends to decrease.
D
As the value of one of the variables increases, the value of the other variable tends to increase.
E
All values of both variables are positive.

i think it is everything has to equal 180 so, if i correct 4=c. 6=d. 8=a. 7=b. and the last question would be c. because they are parallel lines and they are congruent.

step-by-step explanation:

the reason everything has to equal to 180 is because that is how it works. i'm guessing that is its rule. 4 and 8 are congruent and parallel so, that would be 30+30 because they have the same number. it would equal 60. 6 and 7 are congruent and parallel so, that would be 30+30 because they have the same number. it would equal 60. 60+60 is 180. so, now you have your answer