Center: <span><span>(5,4)</span><span>
</span></span>Radius: <span>2<span>√<span>10
Hope this helped☺☺</span></span></span>
Given:
The equation is

To find:
The value of b.
Solution:
We have,

Subtracting both sides by
, we get




Therefore, the value of b is
.
Arrange from smallest to largest
-25, -12/4, 1/5, 18/5, 10
chose the middle number
1/5
The answer is c. forgive me if i am wrong
I think it would be 153/60 sec which is 2.55 seconds per beat.