Answer:
i think it might be C
Step-by-step explanation:
very sorry if it's wrong
Answer:
pretty sure its -2,3 :)
Step-by-step explanation:
Answer:
82 nails
Step-by-step explanation:
4.97 and 5.03 are both one standard deviation from the mean...
z scores . 8413 and .1587
.8413 - .1587 = .6826 or 68.26 % of the nails are in this range
68.26 % * 120 = ~82 nails
Answer:
3(5n -6)
Step-by-step explanation:
15n -18
Both 15 and 18 can be divided by 3
Factor out a 3
3(5n -6)
