3x+x=180
x=45 is the right answer
Answer:
c
Step-by-step explanation:
I think its c
I'm not sure
Answer:
30.7
Step-by-step explanation:
It's 30.7 because 707/23
Answer:
3,27
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
x²+y²+4x+6y=0
compare with x²+y²+2gx+2fy+c=0
centre is (-g,-f)=(-2,-3)
radius=√(g²+f²-c)=√((-2)²+(-3)²-0)=√13
