Step-by-step explanation:
2(x+3)
2x+6
devide each in 2
2x/2 and 6/2
2 and 2 go out
X=3
Answer:
12
Step-by-step explanation:
Hm
10 + 4 x 2 - 3
=10 + 8 - 3
=18 - 3
=15
The equation of a circle with center at (h,k) is
(x-h)^2+(y-k)^2=radius^2
given
(x-(-1))^2+(y-3)^2=9
center is (-1,3)
first option