Answer:
Step-by-step explanation:
Option C 3 is the correct answer
Answer: x=3
Step-by-step explanation:

x is income in a given month = 930
u is average income = 900
SD is standard deviatio = 15
so z= (930-900) /15 =30/15 =2
answer 2
So one miles for A and the fee is $170 then B is $160 then if you used company A you'd go 3 miles to match company B which their miles would be 2,
which I guess the answer would be 5 miles?