Answer:
The run is -7.
Step-by-step explanation:
Since we know that slope = rise/run, we can calculate the run by inputting the given numbers.
So,
-3 = 21/x and we need to solve for x.
When we cross multiply we get -3x=21.
Then, divide -3 on both sides and x = -7
Answer:

Step-by-step explanation:
Midpoint Formula: 
Simply plug in your coordinates into the midpoint formula to find midpoint:
R(-2, 3)
S(-8, -2)



5. Center (-2,3) Radius 3
6. Center (-2,0) Radius √11
7. Center (0,-4) Radius 5
8. Center (3/2,-4) Radius 3√17/2
9. Center (6,8) Radius 4
10. Center (-1,-2) Radius 4
Ive attached what the graphs will look like, I cannot add the last graph since its the image limit for this website.
Hope this helps, feel free to PM me if you are still having trouble and need the last graph :)
Answer: $108
Step-by-step explanation:
80 x .35 = 28
80+28= 108