Hey!
First, let's write the problem,

Factor out the common term, which is 4,

Then, let's factor this part:

We are going to factor it using the difference of squares rule.

Our final factored answer would be,

Thanks!
-TetraFish
Answer:
$100
Step-by-step explanation:
Half - a - hour = (24*15) =360 m
one hour payment $25
hour(?) =(48*30) = 1440 m
1440/ 360 = 4 hours
So, 25*4 =$100
Standard Normal Distribution. As discussed in the introductory section, normal distributions do not necessarily have the same means and standard deviations. A normal distribution with a mean of 0 and a standard deviation of 1 is called a standard normal distribution.