I know 17. The formula for INTERIOR angles is 180(n-2) divided by n. therefore 180(6-2) / 6 = 180 x 4 / 6 = 720 / 6 = 120.
and EXTERIOR angles is 360 divided by n, therefore 360/6 = 60.
Step-by-step explanation:
8x-3x = 18-3(like terms)
or,5x = 15
or,x=15/5
or,x=3
31.

32.

33.

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Answer: 18.36
Step-by-step explanation:
Replace "z" with "2":
.
Answer:
It would be 5.1942486
Step-by-step explanation:
Becuase the 0 is after the 6 the 6 stays as it is and there is no need to round up or down