Answer:
69
Step-by-step explanation:
The sum of exterior angles is 360°, so ...
n° +131° +160° = 360°
n° = 360° -291° = 69°
n = 69
Answer:
49
Step-by-step explanation:
a+b/2xh
aksfsaowcapa
They can line up 20 different ways
If you are meaning Nine times Nine the answer is 81.
Answer:
Step-by-step explanation:
The first box should be 20.
The second box should be 40
The third box should be .2
The fourth box should be .6