First of all, 15 minutes is 1/4 of an hour. So 8:15 is 8.25 hours.
(8.25 hours/day) x ( 9 $/hour) x (5 days) = $371.25
Answer:

Step-by-step explanation:
The Central Limit Theorem estabilishes that, for a random variable X, with mean
and standard deviation
, the sample means with size n of at least 30 can be approximated to a normal distribution with mean
and standard deviation 
In this problem, we have that:

So

Answer:
D
Step-by-step explanation:
Look at all possibilities then use all of them then find out which one matches the best.
Answer:
a) +-12-6
b) 70.5 * 18 = 1,269 + 120 = 1389 - 4 = 1385
c) 18
Step-by-step explanation:
Answer:
2nd and 3rd one
Step-by-step explanation:
i think