It can be many things such as,
420/2
630/3
840/4
Answer:
C: -14x - 7
Step-by-step explanation:
-14x - 7 is equivalent to (-8x+2) - (6x+9)
the have identical length so to know the length of each pipe you should divide 22.4 by 7
22.4 / 7 = 3.2
Out of all the songs played , the probability that the first song played is rock would be, 2/7
