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If MMM and NNN are the points (−3,8)(-3,8)(−3,8) and (5,−7)(5,-7)(5,−7) respectively, find MNMNMN.
a.
8 units
b.
11 units
c.
15 units
d.
17 units
Each interior angle of a regular polygon is 168°. Find the number of sides of the polygon.
30
36
24
18
Evaluate correct to two decimal places, 75.0785 - 34.624 + 9.83
30.60
50.29
50.28
30.62
The mean of the numbers 15, 21, 17, 26, 18 and 29 is 21. Calculate the standard deviation.
9
6
5
0
2 July 2021
10 June 2021
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