Answer:
a. 254.34, b. 56.52
Step-by-step explanation:
a. A = πr^2,
A = 3.14(9^2)
A = 3.14*81
A = 254.34
b. C = πd
C = 18*3.14
C = 56.52
i once took a pic of my HW on this app and got it finished in under 10 minutes
I believe its 3
No, Alex is wrong. The correct expanded form would be 100+60+5+.03+.008