Answer:
see explanation
Step-by-step explanation:
the equation of a circle in standard form is
(x - a)² + (y - b)² = r²
where (a, b) are the coordinates of the centre and r is the radius
(x - 8)² + (y + 6)² = 13 is in this form
with centre = (8, - 6) and r = 
Answer: c
Step-by-step explanation:
they are similar but to be congruent they need to be the same and therefore can not touch like that
Answer:
10x
Step-by-step explanation:
By definition

So we just need to multiply the two functions

1cm is worth 100km on the map that is you have 5cm they are equal 500km