Answer:
-21
Step-by-step explanation:
If the equation of the line is
then 
is the slope of the line and 
is the y-intercept of the line.
In your case, the equation of the line is 
So, the slope of this line is 
and the y-intercept is 
D is the correct answer I think
Answer:
2 and a half hours
Step-by-step explanation:
Hello!
To find this we add how far Mary and Ann travel and subtract that from the total distance till we get 0
2.5 + 2 = 4.5
11.25 - 4.5 = 6.75 First hour
6.75 - 4.5 = 2.25 Second hour
2.25 is half of 4.5 and half an hour is 30 minutes
2.25 -2.25 = 0 half hour
It will take them 2 and a half hours
The answer is 2 and a half hours
Hope this helps!
Answer:
Step-by-step explanation:
