Answer:

Step-by-step explanation:
First to write this equation you will need to know <em>slope intercept form</em> which is the equation that the people that wrote this problem are presumably looking for. Slope intercept form can be simply written as
. The variable
would be the slope while the variable
would be the y -intercept.
So to find out this we would have to assume that m or the slope would have to be 1 so we would have
or
.
Now we have the first half of the equation we can move on to the variable
or the y-intercept (0,-6) . To find the variable
we will just have to graph the point (0,-6) which as you can see from the picture is the y-intercept and that is -6 units below 0. So the final answer will be 
Answer:
well I'm sure if this is entirely correct but i would say it would be 12
Step-by-step explanation:
Answer:
It’s actually m = (C - 12) /3 But I don’t see it in the 4 option you have.
Step-by-step explanation:
C = 12+ am
C - 12 = am
(C - 12) /a = m
Answer:
(a) Stops, turns around and starts travelling back towards home.
(b) 8 km/hour.
Step-by-step explanation:
(b) Jo travels 4 kilometres in 1/2 hour = 9 km/hour.