Let x be the fifth number

⇔

⇔ 23.3 + x = 34
⇔ x = 10.7
Answer:
1st quadrant
Step-by-step explanation:
The real and imaginary portions are both positive, so the the point will be in the top right quadrant
Answer:
The answer is 30.
Step-by-step explanation:
All of those angles will add up to 360 degrees. Since 150 is the same as the angle across from it that means the other one is 150. Add those 2 together that gets 300. So what is left? It is 60. So divide 60 between those two angles and you get 30.