Answer:
a^2 - 25.
Step-by-step explanation:
(5 + a)(-5 + a)
= -25 + 5a - 5a + a^2
= a^2 - 25.
The actual answer is 5.66666666
The reason is that because he made 238 over 42 months you divide 238$ by 42 months
This is an incomplete question, the image is shown below.
Answer : The fraction empty container is, 
Step-by-step explanation :
As we are given that:
The capacity of container = 60 mL
In the given figure, the container is filled with 25 mL.
That means,
60 - 25 = 35 mL container is empty.
Now we have to calculate the fraction of it is empty.
The fraction of it is empty = 
The fraction of it is empty = 
The fraction of it is empty = 
Therefore, the fraction empty container is, 