Answer:
3,6,9,12
Step-by-step explanation:
In this patter each number is 3 numers more than the previos
To the nearest would be about 52
Answer: 
<u>Use the slope formula</u>



<u>Note</u>

Answer:
A
Step-by-step explanation:
The sum of the exterior angles for each polygon is always 360°.
The sum of the interior angles for each polygon is always 180°(n-2).
If you have n-sided convex polygon, then

So,

Answer:
Now we have everything in order to replace into formula (1):
Step-by-step explanation:
Information given
represent the sample mean
population mean (variable of interest)
s=2.75 represent the sample standard deviation
n=10 represent the sample size
Confidence interval
The confidence interval for the mean is given by the following formula:
(1)
The degrees of freedom are given by:
The Confidence is 0.90 or 90%, the significance is
and
, and the critical vaue would be
Now we have everything in order to replace into formula (1):