Answer:
-2
Step-by-step explanation:
The line passes through points (1,4) and (4,-4)
Slope (m) = change in y ÷ change in x
i.e m = 
Answer:
0.10
Step-by-step explanation:
Technically it's 0.12 but I only say this because they rounded by from 58 to 60 in their question
3/2 since perpendicular lines have opposite reciprocal slopes