Answer:
63
Step-by-step explanation:
You have to subtract 180 and 117 which is 63.
Answer:
y=1.7
Step-by-step explanation:
4y+18=14.7y
18=14.7y-4y
18=10.7y
18/10.7=10.7y/10.7
1.7=y
I’m pretty sure the answer is b but not 100%
Answer:

Step-by-step explanation:
From the question we are told that:
Population mean 
Population standard deviation 
Sample size 
Generally the equation for Standard error is mathematically given by



Answer:
3,375 mph is the anwser I'm 95% surw