C=1/6 of x
D=55/1/2
1/6 of 111/2=110.167
55.08
=55 inches
Answer:
a^3b + 2a^2b^2 + ab^3
Step-by-step explanation:
(a+b)^2
= a^2 + 2ab + b^2
ab(a^2 + 2ab + b^2)
= a^3b + 2a^2b^2 + ab^3
Answer:
-12x-28=4
-12x=32
x=-16/3
Step-by-step explanation:
Those are the ranges for one tandard deviation below the mean and one standard deviation above the mean, and we know that 68% of the data falls in that range, so the probability that a randomly chosen worker makes that much is 68%
