Answer:
56
Step-by-step explanation:
I'm not 100% sure, use my answer at your own risk
Answer:
186
Step-by-step explanation:
The sample mean, x, is the central value in the confidence interval, that is, the average between the upper and lower bounds of the interval.
In this case, the Lower bound is 184.00 and the upper bound is 188.00. Therefore, the sample mean is given by:

The mean length, in seconds, of the sampled songs is 186.00.
inside angles need to equal 180
180-75-40 = 65
now the question mark and 65 need to equal 180
180-65 = 115
answer is 115
Answer: 1
Step-by-step explanation: