Answer:
25%
Step-by-step explanation:
I hope this explains it:
(Work and info in attachment)
It is 84. multply 10 and 5, then add the rest. hope i could help!
(x+9)^2+(y+4)^2=0
Because the radius is not given.
A² + b² = c²
5² + 8² = x²
x² = 25 + 64
x² = 89
x = √89
x = 9.43