73 I believe I’m not sure
there are 360 degrees in a complete circle
360/18 = 20
so the answer is C
Alright First you combine the like terms.
9n - 3n = 6n
21 - 24 = -3
Rewrite the simplified equation
6n - 3 = 0
Solve for n
6n = 3
n = 3/6
n = 1/2
Ask if you need more help! :)
999.999 because if one is 99 the other would make it 9999
