8.473 is the correct answer
JK = MN because of Given
∠JLK = ∠MLN because of the vertical angle theorem
JL = LN because of definition of midpoint
ΔJLK = MLN because of SAS
∠K = ∠N because corresponding angles of congruent triangles are congruent.
Hope this helps!<span />
Thats an exponential function The variable x is an exponent so that is why its called exponential.
You have to do 3.14 times the diameter of the circle.
