Answer:
4.19
Step-by-step explanation:
Find the mean:

Find the standard deviation:

WWWWWWWWWWWWWWDfgghhhhbbbb
Answer:
c: car b was 10 miles east of car a
Step-by-step explanation:
Answer:
y= -4x + 54
Step-by-step explanation:
4x + y =54
-4x -4x
y = -4x +54