how long will it take me to ski a distance of 36 kilometers at a speed of 3 kilometers per 30 minutes
ln(x)=-19.63
x^5+x^3+x=3 find x
15!*5!
ln(x)=-10.05
7 to the power of 2
1 over 2 plus 5 over 4
15!
15!*10!
What is the probability of getting a sum 9 from two throws of a dice?