You are looking for the circumference. which is C(circumference)=

x r (radius)
the radius is =to half of the diameter.
c=56.55
Answer:
C

Co efficient means the number or value beside preventing the variable from standing alone
Answer:
Step-by-step explanation:
Surprise! It is the closest to the noun " astounded "
No solution / no x
D=b^2-4*a*c -> D=-4^2-4*1*21 -> D=-28 -> D<0, no solution
Answer:
y=4x-9
Step-by-step explanation: