23
15
That is the same as asking 15C10 which is 3003. It is 15! divided by (15-10)!(10!) This is 15x14x13x12x11 divided by 5x4x3x2x1 or divided by 120 or 360360=3003
14.2
Negative 10 divided by negative two-thirds = 15/1 or 15
17
-19
17
0.2667
211 divided by 15 in long div = 14.066666666666666
0.8824
25
The LCM is 255.
15
0.3333
4/15
15