The idea for transitions for an equation like this is

where m = slope
h = how much left or right (note the negative)
k = how much up or down
moving 13 down would mean
k = -13
so

D. would be your answer
Answer: See attached graph
100.014. I think this is it
Answer: y = 1/5x+5
Step-by-step explanation: Slope intercept form is y = mx+b, where m is the slope, and b is the y intercept. Substitute accordingly.
Answer:
a) Distance formula
Step-by-step explanation:
Generally, if you want to show lengths are the same, it is useful to use a formula for length: the distance formula.