Answer:
X=-5
Step-by-step explanation:
In decimal form it’s 0.3048.. so basically 0.3
3.14 * 19.311^2 = 60.63654
60.63654 * 19.311 = 1170.95222394
1170.95222394 * 16 = 18744.738366545
<span>18744.738366545
foot^<span>3
</span></span>
i got 28cm.... But im not sure