Answer:
4
Step-by-step explanation:
- represent the number he thought of with x

- multiply through with the LCM which is 2






Answer: friend?...
Step-by-step explanation:...
Answer:
Center (-5,4) radius 3
Step-by-step explanation:
The standard equation of a circle is
(x-h)^2+(y-k)^2=r^2
where the center is (h,k) and r is the radius
so h=-5 in this case and k is 4
r^2=9 so r=3