Add 4x
to both sides of the equation.
a. y=4x+6
Add 5x to both sides of the equation.
b. y=5x+21
60,000,000
Hope this helps :)
Answer:
The circumference of the clock is 
Step-by-step explanation:
we know that
The circumference of a circle (clock) is equal to

In this problem
The long of the minute hand is the radius of the circle
so

substitute
-----> exact value of the circumference
The answer is 45.36 I hope I helped