Answer: Option 'C' is correct.
Step-by-step explanation:
Since we have given that
Radius of circle = 10 inches
Central angle is given by

As we know the formula for " Length of an arc " :
Length of arc is given by

Hence, length of an arc is 20.95 inches.
Hence, Option 'C' is correct.
-3x = -3 because you would multiply one of the equations by -1 to eliminate y.
The amount in the account after 10 years would be $3257.79