Answer:



Step-by-step explanation:
Required
Find x
(a)
x is calculated using tangent formula

Make x the subject



--- approximated
(b):
x is calculated using cosine formula

Make x the subject



(c):
x is calculated using sine formula

Make x the subject



--- approximated
<span> the mean absolute deviation is the average absolute deviation from the mean and is a common measure of forecast error in time series analysis. </span>
There are 27 men in the train car.
69-15=54
54 divided by 2 = 27
Answer:
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Step-by-step explanation: