Answer:

Step-by-step explanation:
Consider an equation: 
Here, m is the slope of the line and c is the y-intercept.
Given equation is 
Here, slope is 
As product of slopes of two perpendicular lines is equal to
, slope of the required line is
.
Let 
Equation of the required line is 

Answer:
a
Step-by-step explanation:
because 8-2 is 6. and 8 times 5 is 30.
Answer:
5.60
Step-by-step explanation:
3.50 + 60 % (2.10)= 5.60
Answer:
-59
Step-by-step explanation: