Answer:
16
Step-by-step explanation:
Given
C=2r and r=8
So
C=2×8 (as r=8)
C=16 (ans)
what do you need help with?
18/4
4x -3 = 15
4x = 15+3
4x = 18
x = 18/4
rEMOVE...NO CONTEXT!