Answer:
Angles in a pentagon add to 540 degrees.
100+80+160+91+x =540
431+x=540
109=x
Hope this helps!
Ccd is good to see ur message and he is so fine lol i just got home lol he is fine with it too but i is good too but he is
136,000,000/31,000= how many hours for the spaceship to reach mars
136,000,000/31,000/24= how many days for the spaceship to reach mars
136,000,000/31,000/24 is approx. 182.7 days or 183 days (rounded up b/c of "to the nearest day").
-.38, -0.08 , -.6 or -3/5 ,0.04