What 3.14 is and explain how it is used in finding the circumference of a circle?

  if you measure the distance around a circle and divide it by the distance across the circle through the center, you will always come close to a particular value, depending upon the accuracy of your measurement. this value is approximately 3. we use the greek letter  (pronounced pi)  to represent this value.

The answer is c. 7 (i think) i’m almost sure though

The linear equation is: y=ax+b