Answer:
-18 x 4 = -72
Step-by-step explanation:
a negative times a positive is a negative number.
23/21
The slope is computed from ...
m = (y2 -y1)/(x2 -x1)
For the given points, the slope is ...
m = (26 -3)/(18-(-3)) = 23/21
The slope of the trend line is 23/21.
23