Answer:
180 = 70 +80 +n
n = 30
Step-by-step explanation:
good luck have a nice day
3/4 is great if thats on of your answers because it was one of mine
Since the angle altogether is 180°
You just need to subtract 28 and 48 from 180
28+48=76
180-76=104
Answer: 104°
Hope this helps!! <3
Your answer is <span>B) (3, -3) </span>
After substituting:

Factor out the 36, allowing the 6's to cancel

Use trig identity:
sec^2 - 1 = tan^2