Answer:
The total number of ways in which three winners can come in is 990 ways.
Step-by-step explanation:
It is provides that the number of automobiles entering the race is: <em>n</em> = 11.
It is also provided that there were no ties.
There are supposed to be three winners for the race.
- The number of ways the first winner can come in is: 11 ways.
- The number of ways the second winner can come in is: 10 ways.
- The number of ways the third winner can come in is: 9 ways.
Compute the total number of ways in which three winners can come in as follows:
Number of ways in which the first three finishers come in is

Thus, the total number of ways in which three winners can come in is 990 ways.
I believe it would be 6 due to the radius being a half of the actual circumfrence
3k²+11k+6, or (k+3)(3k+2), which is the 3rd one. :)
408 in^2
.......Hope it helps, Have a nice day:)
Area of a triangle = [B(h)] : 2 = (ab) : 2 = [90ft x 120ft] : 2 = 5400ft squared.