Answer:
slope = - 3
Step-by-step explanation:
The slope m of the line is calculated as
m = = = - 3
Option B
we have
1 x 1 x 1 x 1 = 1
Hope this helps. :)
12
the shapes are similar which means the sides are proportional, you can set up a ratio using the sides as 10/40 = 3/x
solving that gives you x =12
D
