C.Sphere is your answer it is bound to all it's points
(-2,8) (1,2)
m=2-8/1-(-2)
m=-6/3
m= -2
y=-2x+b
(-2,8)
8=-2(-2)+b
8=-4+b
12=b
b=12
y=-2x+12
Hope this helps!

Solve for x by cross multiplication


- Swap the sides of equation

- Divide both sides of equation by 30

It is like multiplying by 3 but all you are doing is doubling the numbers
hopefully you get this
Answer:
0.32.3
Step-by-step explanation: