Step-by-step explanation:
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The provided values are
$85 $240 $120 $60 $315 $190 $145 $105 $285 $260 $95 $215 $235 $175 $155
To start, we will arrange these in ascending order
resulting in
$60 $85 $95 $105 $120 $145 $155 $175 $190 $215 $235 $240 $260 $285 $315
The total count is 15
the position of 105 is 4
Now, we can calculate the percentile

Thus, the percentile for the bid of $105 is 26.667%...........Response
Answer:
b = 5√3
b = -5√3
Step-by-step explanation:
We have

Keep in mind, the root of a function corresponds to the value of x at which the function's output is zero.
In this case
The roots of the equation are the b values for which f(b) equals zero.
Thus
For f(b)=0


Take the square root of both sides

Now simplify

and 
So we find that
b = 5√3
b = -5√3
Is the process like this: 38+29=67, then 67-23=44
50-44=6
thus possibly A?