Answer:
165920160 ways
Step-by-step explanation:
Number of songs in library (n) = 115
Number of songs in Playlist (r) = 4
Since the order is important:
nPr = n! / (n-r)!
115P4 = 115! / (115 - 4)! = 115! / 111! = (115 * 114 * 113 * 112)
= 165920160 ways
B . the mean is 35.5 lb .
Answer:
r=15-8 r=7
Step-by-step explanation:
You know for sure that there are 15 sandbags. You know that 8 of those sandbags are blue. If 8/15 are blue, then the other 7 must be red.
Answer:
in this case it is just multiplying the two items together
the THIRD CHOICE...
3x(x^2-5x-9)
3x^3 -15x^2 -27x
Step-by-step explanation:
