When you know the coordinates of a point and the slope of a line, you can use the formula

in your case,
and
, so you have

Answer:
360 people out of 1200 are likely to have red hair.
Step-by-step explanation:
So I just saw that 100 x 120 equals 1200. So I just need to multiply 3 x 120 and I got 360. I think this is how to solve?
Answer:
11
Step-by-step explanation:
-8 is 8 spaces away from 0 and 3 is 3 spaces away from zero so you add 8 and 3 and get 11.
Answer: d
Step-by-step explanation: