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You have to change the denominator the the least common multiple then multiply the numerator by the number you multiplied it’s denominator with.
The average speed for the trip is 11 miles per hour, or mph. 99 miles divided by 9 is 11
Answer:
The center of circle is
Step-by-step explanation:
We need to find the center of the circle of the equation 
Since, the general equation of circle is 
Where (h,k) is center of circle and r is radius.
Re-write the circle equation is
as,

Compare
with 
so, 
Hence, the center of circle is 
Answer:
Depends
Step-by-step explanation:
If a and b = 0, then true
If a and b equal anything else then it is false