Answer:
C
Step-by-step explanation:
If you round 1506 down to 1500, then you can divide that by 2. rounding it down will make it easier.
Answer:
d
Step-by-step explanation:
Answer:
Perpendicular slope is
or
.
Step-by-step explanation:
Given:
Let the perpendicular slope be x.
The given slope is 
For perpendicular slopes, the product of the slopes is equal to -1.
Therefore, 
Therefore, the perpendicular slope is
or
.