Answer:
diameter ÷ 2 = 8 ÷ 2 = 4
Step-by-step explanation:
6y+9=18
6y=2
y=1/3
the answer is 1/2 which loos like "D"
the top ends up being x ^-8 and the denominator is x^-7
which is x^&/x^8 = 1/x = 1/2
