So a triangle angles must add up to 180. You would subtract 180 by the two known angle which are 90 and 30. Then if you subtract them you would get 60. The final answer is 60
Answer:
A. (2, -2)
Step-by-step explanation:
if you find the median between (-1,3) and (5,-7) you get (2,-2).
Where ever u see a y change it to an x
3x+2(x)=20
5x=20
x=4
I think x=10
4x=3x+10
subtract 3x from both sides and you get x=10