Answer:
C
Step-by-step explanation:
if you put them into desmos (online website) it will put them all into a graph and do it for you :)
(-10, 0) and (-8,20)
y=mx+b
here m is slope and b is y intercept
firstly we have to find the value of m , that is slope
formula is

So 
Plug in the function\

Now plug any one point in the function to find the value of b


Add 100 to both sides
b=100
Answer:
Step-by-step explanation: a
The ratio is 54:11
Divide 810 by 54 to see what you need to multoply by. Doing this gives you15
Now multiply 11 by 15 and you get 165. So 165 people out of 810 people are attending camp. Hope this helps