Answer:
13.448, rounded off: 13.5 ft
Step-by-step explanation:

Where r = radius, C = circumference.
= 13.5 ft
1/3 x (3^-2 x 3^5)
1/3 x (1/3^2 x 243)
1/3 x (1/9 x 243)
1/3 x 27
9
(2.6x7)/2
18.2/2
Area=9.1 m^2
Answer:
The books cost $28 dollars each.
Step-by-step explanation:
$266 - $14 = $252
then take $252 divided by 9 = $ 28