Answer:

Step-by-step explanation:
The equation for a line is y=mx + b where m represents the slope
If a line is perpendicular to another line, it's slope is the negative reciprocal of the other line's slope.
The reciprocal of -4 is 
And the negative of that would be 
Answer:
20% of 10= 2 is the answer
hope this helps!
Answer: a
Step-by-step explanation: C is in quadrant 1 and quadrant 1 is (+,+)