Answer:
-4n - 5
Step-by-step explanation:
4 - 9
= -5
-5n + n
Combine like terms
= -4n
-4n - 5
Here we have to find the probability 
. Now express the probability in terms of standard normal cumulative distribution function. That is 
.
Now you can look up the probability from the standard normal tables. Its value is
Bottom left. Because of th eminus sign, the v curve is "upside-down" and because of the +1, its function value peak is at 1
<span>C.Gallons per dollar, because the dependent quantity is the gallons</span>
