Louis traveled 7,144 miles
Answer:
18 cm
Step-by-step explanation:
find the hypotenuse using 30, 60, 90 rule then divide it by 2 to find the radius
P.S. posting all of the RSM questions aren't you
Since it is 10 less and you are trying to find out your number, you add 10.
71+10= 81
So, your number is 81.
An equation you can write is 1.25t+7=43.25. When you solve this equation you will get 29 as t. So, he was on the trampoline for 29 minutes.
Hope this helped!
Answer: 
Step-by-step explanation:
We can place a rook in each row in
ways.
We can place a rook in each column in
ways.
So the total ways in which we can place a rook in a row or column is 
Now there are 8 ways to choose the column for the first row, 7 ways to choose the column for the second row, and so on. So there are 8! ways to choose a column for a row.
So, we get the final answer by subtracting the 8! from the total ways a rook can be placed which is
when binomial coefficients are not evaluated