all have to do is divide the fraction to make it into a decimal ,
6/8= 0.75
First one C second one D sorry if I’m wrong
For this case we have to by definition, if two lines are perpendicular then the product of its slopes is -1.
That is to say:

We have the following equation:

So:

Thus:

Thus, a line perpendicular to the given line must have slope 
Option A:

It is not perpendicular!
Option B:

If it is perpendicular!
Option C:

It is not perpendicular!
Option D:

It is not perpendicular!
The correct option is option B
ANswer:
Option B
Answer:
30
Step-by-step explanation:
9x30= 270
270/9= 30
Answer:
c
Step-by-step explanation: