Answer:
15 units
Step-by-step explanation:
hope i helped!
Answer:
y-intercept = (0,-21)
vertex = (2,-25)
Step-by-step explanation:
There are 5280 feet in a mile:
5280ft/mi
When using proportions to solve for unknown quantities, you need to keep the same units on the same side. This means keep "ft" on the top side and "mi" on the bottom side.
I would go with the second choice.
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.
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hope this answers ur question!!
