Answer:
D.2.58
Step-by-step explanation:
We have that to find our
level, that is the subtraction of 1 by the confidence interval divided by 2. So:

Now, we have to find z in the Ztable as such z has a pvalue of
.
That is z with a pvalue of
, so Z = 2.58.
The answer is given by option D.
T=volume÷rate
this will cancel out gal and leave min
22000 gal ÷ 400 gal/min
55 min
Answer:
First calculate 49^8
Then take the square root of that answer.
Final answer is 5,764,801
4x(3x + 8) - 7y(5x - 1) =
12x^2 + 32x - 35xy + 7y