Answer:
The answer is 9.725
Step-by-step explanation:
We have been given the mixed fraction 
First we will concert this to improper fraction.

= 
Now we will divide this using long division or calculator and get the answer 9.725.
Steps:
A=bh/2
A= (18ft)(6ft)
_______
2
A = 108
____
2
A= 54ft^2
Answer:
c & e
Step-by-step explanation:
not sure tho
The total numbers with 10 digits are 9*10*10*10*10*10*10*10*10*10 = 9*(10^9)
If you are restricted to use no 1s, the numbers are 8*(9^9)
Then, the probability is : numbers with no 1s / total numbers
= 8*(9^9) / [9*(10^9)]= 0.344