Slope would be opposite and reciprocal ['cause it is perpendicular]
Slope = -3
Now, calculation of b,
y = mx + b
4 = 1/2(6) + b
4 = 3 + b
b = 4 - 3 = 1
Equation would be: y = -3x + 1
Hope this helps!
Answer:
The answer for the problem would be -12
Step-by-step explanation:
(28+35) = 63
63-75= -12