I don’t know how to calculate the slope of this question

The slope of this equation should be -2/3

Step-by-step explanation:

Label the points with x1,y1 and x2,y2

(1,42)  (4,40)

x1,y1     x2,y2

Then put them into the slope formula.

m=

m=

Then once you solve it, the answer should come out to -2/3

both equations and proportions are better.